Radiology Thesis Topics

Neuroimaging

1. Diffusion tensor imaging metrics as predictors of 6-month outcome after moderate-severe traumatic brain injury.
2. Diagnostic accuracy of diffusion-weighted MRI vs CT perfusion for hyperacute ischemic stroke.
3. MR perfusion parameters correlation with histologic grade in supratentorial gliomas.
4. Hippocampal volumetry on MRI in first-episode psychosis and cognitive correlation.
5. Susceptibility-weighted imaging for detection and grading of cerebral microbleeds.
6. MR spectroscopy choline/creatine ratio to differentiate tuberculoma from neurocysticercosis.
7. Resting-state fMRI network changes in mild cognitive impairment predicting conversion to dementia.
8. Ultra-high-resolution MRI for cranial nerve schwannoma characterization and surgical planning.
9. CTA vs DSA accuracy for intracranial aneurysm measurement prior to endovascular therapy.
10. MRI elastography to distinguish radiation necrosis from recurrent brain tumor.
11. Automated volumetric analysis of peri-ictal gliosis and seizure outcome prediction.
12. ADC histogram analysis to grade pediatric posterior fossa tumors.
13. Role of 3T MRI susceptibility mapping in traumatic diffuse axonal injury.
14. Functional MRI-based language mapping accuracy compared with intraoperative cortical stimulation.
15. MR tractography changes after tumor resection and correlation with motor outcome.
16. PET-MRI fusion for delineation of epileptogenic focus in refractory epilepsy.
17. Time-resolved MR angiography for evaluation of dural arteriovenous fistulas.
18. Quantitative brain iron mapping (R2*) in Parkinson plus syndromes vs Parkinson disease.
19. Cerebral blood flow measurement by arterial spin labeling in vascular cognitive impairment.
20. Neuroimaging biomarkers (DTI and volumetry) of chronic traumatic encephalopathy in contact-sport athletes.
21. MRI features predictive of hydrocephalus shunt dependency after subarachnoid hemorrhage.
22. Perfusion CT versus MR perfusion for penumbra estimation in acute stroke triage.
23. High-resolution MRI for assessment of optic nerve sheath diameter in raised intracranial pressure.
24. Automated AI estimation of hemorrhage volume on non-contrast CT for prognostic scoring.
25. Role of quantitative susceptibility mapping in multiple sclerosis lesion characterization.

Head & Neck

1. Contrast-enhanced MRI vs PET-CT in staging oropharyngeal carcinoma.
2. High-resolution temporal bone CT in preoperative cholesteatoma planning.
3. Ultrasound elastography for thyroid nodule risk stratification compared with FNAC.
4. Multiparametric MRI features of salivary gland neoplasms and histologic correlation.
5. CT virtual laryngoscopy vs direct laryngoscopy in laryngeal mass assessment.
6. Diffusion MRI parameters predicting perineural spread in head-neck malignancy.
7. Cone-beam CT for preoperative assessment in maxillofacial trauma.
8. Low-dose CT protocols for sinonasal inflammatory disease staging.
9. Quantitative MRI of vocal fold motion in unilateral vocal cord paralysis.
10. PET-CT utility in occult primary detection with cervical nodal metastasis.
11. Role of ultrasound in TMJ internal derangement and comparison with MRI.
12. Diffusion-weighted MRI for differentiating abscess from necrotic tumor in neck masses.
13. Dynamic swallowing fluoroscopy metrics predicting aspiration risk post-stroke.
14. CT angiography for glomus jugulare tumor vascular supply mapping.
15. MRI-based cartilage thickness mapping in laryngeal framework disorders.
16. High-frequency ultrasound for parotid gland lesion biopsy guidance: yield and complications.
17. Imaging predictors of airway compromise in angioedema cases.
18. Artificial intelligence for automated detection of sinus opacification on CBCT.
19. 3D volumetric assessment of mandibular osteoradionecrosis pre- and post-treatment.
20. Role of MRI in differentiation of benign vs malignant nasopharyngeal lesions.
21. Imaging correlates of skull base invasion in sinonasal malignancies on MRI.
22. Ultrasound elastography in assessing recurrent thyroid cancer in neck nodes.
23. Low-field MRI feasibility for head and neck imaging in claustrophobic patients.
24. Diffusion kurtosis imaging to differentiate radiation fibrosis from tumor recurrence in neck.
25. CT measurements of mastoid pneumatisation and risk of chronic otitis media.

Chest & Pulmonology

1. CT severity scoring in viral pneumonia and correlation with oxygenation and outcome.
2. HRCT patterns to differentiate usual interstitial pneumonia from nonspecific interstitial pneumonia.
3. CTA localization of bleeding source in massive hemoptysis prior to bronchial artery embolization.
4. PET-CT metabolic metrics as predictors of chemoradiation response in NSCLC.
5. Low-dose CT lung cancer screening sensitivity and false positive rates in high-risk Indian population.
6. Quantitative CT airway and parenchymal metrics correlated with PFTs in COPD.
7. MRI vs CT characterization of pediatric mediastinal masses.
8. Dual-energy CT iodine mapping to assess perfusion defects in pulmonary embolism.
9. Lung ultrasound score vs chest radiograph for monitoring neonatal respiratory distress.
10. CT volumetric tumor doubling time as prognostic marker in pulmonary neoplasms.
11. AI model for automated detection of pneumothorax on supine chest radiographs.
12. Serial CT-based emphysema progression metrics predicting exacerbation risk.
13. PET-CT vs CT for staging of thymic epithelial tumors.
14. CT bronchial wall thickness measurement reproducibility across scanners in chronic bronchitis.
15. Role of MRI pulmonary perfusion imaging in chronic thromboembolic pulmonary hypertension.
16. Radiologic predictors of cavitary TB versus necrotic neoplasm on chest CT.
17. Accuracy of endobronchial ultrasound versus CT for mediastinal nodal staging in lung cancer.
18. Imaging features distinguishing organizing pneumonia from eosinophilic pneumonia.
19. CT texture analysis to predict EGFR mutation status in lung adenocarcinoma.
20. Low-dose CT protocols for follow-up of pulmonary nodules: diagnostic performance.
21. Ultrasonographic portal for rapid assessment of pleural effusion etiology in ICU.
22. MRI diffusion and T2 mapping in cystic fibrosis lung assessment.
23. Correlation of CT-based right ventricular/left ventricular ratio with pulmonary embolism severity.
24. Role of PET-CT in differentiating infection from sterile inflammation post-lung transplant.
25. CT-derived sarcopenia markers as predictors of mortality in COPD exacerbation.

Cardiac Imaging

1. Coronary CT angiography diagnostic accuracy vs invasive angiography in intermediate-risk patients.
2. Cardiac MRI strain analysis for early detection of chemotherapy cardiotoxicity.
3. Coronary calcium scoring to reclassify cardiovascular risk in diabetics.
4. 3D echocardiography compared with cardiac MRI for left ventricular volume and EF.
5. T1/T2 mapping in myocarditis versus ischemic injury tissue characterization.
6. Stress perfusion cardiac MRI vs SPECT for ischemia detection: head-to-head study.
7. CT evaluation of CABG graft patency: optimal timing and accuracy.
8. Reproducibility of CAD-RADS reporting among radiologists on coronary CTA.
9. Low-dose CTA with iterative reconstruction feasibility in high BMI patients.
10. Cardiac MRI predictors of remodeling after anterior myocardial infarction.
11. CT-derived fractional flow reserve (FFRCT) accuracy compared with invasive FFR.
12. MRI myocardial fibrosis quantification and correlation with arrhythmic risk in cardiomyopathy.
13. Echocardiographic versus CMR assessment of right ventricular dysfunction in pulmonary hypertension.
14. Pericardial disease: CT versus MRI diagnostic yield and impact on management.
15. PET-CT in cardiac sarcoidosis detection and therapy monitoring.
16. AI algorithm for automated coronary artery calcium scoring on non-gated chest CT.
17. CT assessment of aortic root dimensions for TAVR planning and outcomes.
18. Utility of 4D flow MRI in assessment of congenital heart valve abnormalities.
19. CMR feature-tracking strain as predictor of clinical events in dilated cardiomyopathy.
20. Role of CT angiography in acute chest pain triage in the emergency department.
21. Non-contrast T1 mapping as marker of diffuse myocardial disease.
22. Imaging predictors of left ventricular thrombus formation after myocardial infarction.
23. Comparative study of myocardial perfusion quantitation by PET vs CMR.
24. CT imaging of anomalous coronary arteries and correlation with ischemic symptoms.
25. Cost-effectiveness analysis of coronary CTA-first strategy in low-intermediate risk chest pain.

Abdominal

1. Shear wave elastography vs MR elastography for staging fibrosis in NAFLD.
2. Multiphasic CT washout criteria to differentiate HCC from regenerative nodules.
3. CT enterography versus capsule endoscopy diagnostic yield for small bowel Crohn’s.
4. Contrast-enhanced ultrasound for characterization of focal liver lesions.
5. MRCP accuracy in diagnosing choledocholithiasis compared with ERCP.
6. CT perfusion metrics to differentiate benign from malignant pancreatic masses.
7. Automated CT liver volumetry for donor hepatectomy planning accuracy.
8. Diffusion-weighted MRI for detection of peritoneal metastases: sensitivity and specificity.
9. Pre-procedural CT predictors of post-ERCP pancreatitis.
10. Dual-energy CT utility in detecting active GI bleeding and source localization.
11. Radiomics on CT to predict microvascular invasion in HCC.
12. MRI T2* quantification of hepatic iron and correlation with serum ferritin.
13. Utility of hepatobiliary phase MRI for small lesion detection in cirrhosis surveillance.
14. CT features predictive of complicated appendicitis necessitating surgery.
15. Perfusion CT for differentiation of inflammatory vs malignant bowel wall thickening.
16. Accuracy of ultrasound elastography in differentiating benign from malignant splenic lesions.
17. Role of non-contrast MRI sequences in acute abdomen imaging to reduce radiation.
18. CT-based sarcopenia as predictor of postoperative complications in colorectal surgery.
19. MRI diffusion and IVIM parameters in characterization of focal liver lesions.
20. CT cholangiography vs MRCP for preoperative biliary mapping.
21. Imaging criteria for portal vein thrombosis chronicity assessment on CT and MRI.
22. Diagnostic performance of contrast-enhanced ultrasound in biliary leak detection.
23. Radiologic predictors of spontaneous bacterial peritonitis on abdominal ultrasound.
24. AI segmentation for automated detection of hepatic steatosis on CT.
25. CT texture analysis to differentiate autoimmune pancreatitis from pancreatic cancer.
26. Multiparametric MRI vs TRUS biopsy for prostate cancer detection: prospective comparison.
27. CT urography vs IVU for adult hematuria evaluation diagnostic yield.
28. Contrast-enhanced ultrasound characterization of complex renal cysts vs Bosniak CT.
29. Shear wave elastography of renal transplant as predictor of chronic allograft nephropathy.
30. ADC values on diffusion MRI to grade RCC and correlate with histology.
31. Low-dose CT protocol accuracy for urinary stone detection in pregnancy.
32. Dynamic contrast-enhanced MRI for preoperative staging of bladder carcinoma.
33. CT volumetry predicting split renal function for partial nephrectomy planning.
34. Doppler ultrasound vs CTA in renal artery stenosis detection in hypertensives.
35. 4D pelvic floor MRI in female urinary incontinence assessment and surgical planning.
36. Contrast-enhanced ultrasound for post-procedural renal pseudoaneurysm detection.
37. MRI features predictive of aggressive prostate cancer (PI-RADS quantitative metrics).
38. Radiomics on CT to predict renal cell carcinoma subtype.
39. MR urography in congenital ureteropelvic junction obstruction and functional assessment.
40. CT perfusion parameters in renal mass viability assessment post-ablation.
41. Ultrasound-guided percutaneous nephrostomy outcomes across operators: complication audit.
42. Imaging markers of obstructive uropathy severity predicting renal functional recovery.
43. Low-field portable MRI feasibility in acute renal cortical necrosis assessment.
44. PET-CT uptake patterns in renal lymphoma vs RCC differentiation.
45. Non-contrast MRI sequences for stone detection compared with low-dose CT.
46. Evaluation of pediatric duplex ultrasound criteria for vesicoureteral reflux.
47. Role of diffusion kurtosis imaging in characterization of complex renal masses.
48. CT-based cortical thickness measurement as marker of chronic kidney disease stage.
49. Impact of iterative reconstruction on stone detection sensitivity in low-dose CT.
50. MRI ADC changes following ischemic renal injury and correlation with recovery.

Breast ImaginG

1. Digital breast tomosynthesis vs full-field mammography diagnostic accuracy in dense breasts.
2. Shear wave elastography adjunct to ultrasound for breast lesion characterization.
3. Abbreviated breast MRI efficacy for high-risk screening compared with full protocol.
4. Preoperative MRI impact on margin positivity and re-excision rates in breast conserving surgery.
5. MRI background parenchymal enhancement correlation with neoadjuvant chemotherapy response.
6. PET-MRI role in staging of locally advanced breast cancer.
7. Mammographic microcalcification morphology correlation with histopathology.
8. Contrast-enhanced spectral mammography for multifocal disease detection.
9. Vacuum-assisted biopsy diagnostic yield for B3 lesions and upgrade rate.
10. Radiomics features on breast MRI predicting Ki-67 proliferation index.
11. Impact of tomosynthesis on recall rates and biopsy rates in screening cohort.
12. US elastography stiffness cutoff optimization for BI-RADS 4 lesions.
13. MRI kinetic curve analysis for predicting breast cancer molecular subtype.
14. Preoperative lymph node ultrasound criteria and prediction of sentinel node positivity.
15. Role of MRI in evaluation of implant rupture with capsular contracture staging.
16. PET-CT versus MRI for detection of distant metastases in inflammatory breast cancer.
17. Automated AI triage for screening mammograms: effect on radiologist workload.
18. Dynamic contrast MRI texture analysis to predict pathologic complete response after NAC.
19. Role of contrast-enhanced ultrasound in axillary node evaluation preoperatively.
20. Tomosynthesis-guided localization accuracy versus wire-guided techniques for nonpalpable lesions.
21. Breast density notification impact on supplemental imaging utilization and outcomes.
22. Correlation of mammographic asymmetry patterns with interval cancer risk.
23. MRI-based radiomic signature to predict lymphovascular invasion in breast cancer.
24. Cost-effectiveness of adding ultrasound to mammography in symptomatic women under 40.
25. Follow-up strategies for B3 lesions: imaging surveillance versus excision outcomes.

Musculoskeletal Imaging

1. MRI vs arthroscopy for meniscal tear diagnosis: prospective validation.
2. Quantitative T2 cartilage mapping to track early knee osteoarthritis progression.
3. High-frequency ultrasound accuracy for partial rotator cuff tears.
4. Whole-body MRI versus bone scan for metastatic bone disease detection sensitivity.
5. Diffusion-weighted MRI for benign versus malignant bone tumor differentiation.
6. CT measurement of glenoid bone loss and recurrence prediction in anterior instability.
7. Ultrasound elastography to monitor tendinopathy response to PRP injection.
8. MRI predictors of scaphoid fracture nonunion requiring surgery.
9. MRI perfusion imaging markers for periprosthetic infection risk after joint replacement.
10. Imaging biomarkers of stress fractures in athletes: MRI and CT correlation.
11. MR spectroscopy in musculoskeletal tumors to differentiate tumor types.
12. MRI features predicting avascular necrosis progression in femoral head.
13. Ultrasound-guided regional block accuracy and correlation with postoperative pain scores.
14. MRI morphological scoring to predict sacroiliitis progression in spondyloarthritis.
15. Role of dual-energy CT in gout diagnosis and tophus quantification.
16. Quantitative muscle ultrasound for sarcopenia assessment and functional correlation.
17. Value of 3D CT printing models for preoperative planning in complex pelvic fractures.
18. MRI signs predictive of ACL reconstruction failure risk.
19. CT volumetry for bone graft planning in complex nonunions.
20. Dynamic ultrasound for detecting snapping hip causes and outcome after therapy.
21. Role of low-field portable MRI in acute sports injury triage on-field.
22. Comparison of MRI and US in diagnosing plantar fasciitis and treatment response.
23. Radiographic scoring reproducibility for hand osteoarthritis severity.
24. MRI cartilage thickness and composition changes after microfracture surgery.
25. CT-guided percutaneous bone biopsy yield and complication audit across lesion types.

Pediatric Radiology

1. Ultrasound vs low-dose CT diagnostic accuracy for appendicitis in children.
2. MR urography in congenital urinary tract obstruction: functional and anatomic correlation.
3. Chest ultrasound utility in neonatal pneumothorax compared with radiography.
4. Imaging features and outcomes of pulmonary infections in immunocompromised pediatric patients.
5. Early neurodevelopmental MRI markers predictive of cerebral palsy in preterm infants.
6. MDCT protocol optimization for radiation dose reduction in pediatric blunt abdominal trauma.
7. Ultrasound indices for developmental dysplasia of the hip and treatment outcomes.
8. MR spectroscopy and diffusion biomarkers prognosticating outcome in neonatal HIE.
9. HRCT patterns in childhood interstitial lung disease diagnostic reproducibility.
10. Contrast-enhanced ultrasound for pediatric focal liver lesion characterization.
11. Role of low-field MRI in sedated-free brain imaging for infants.
12. Imaging predictors of biliary atresia vs neonatal hepatitis on ultrasound and MRCP.
13. Radiation dose audit for common pediatric CT exams: compliance with DRLs.
14. MR imaging markers of congenital lung malformations and postnatal respiratory outcome.
15. Ultrasound elastography to assess pediatric liver fibrosis compared with biopsy.
16. Cardiac MRI utility in Kawasaki disease coronary involvement detection.
17. Role of diffusion-weighted MRI in differentiating pediatric brain tumor types.
18. CT features predicting complicated appendicitis in adolescent population.
19. Neonatal spinal ultrasound accuracy in detecting spinal dysraphism compared with MRI.
20. Imaging and outcomes of pediatric abdominal trauma managed nonoperatively.
21. MRI-based volumetry of ventricles predicting neurodevelopmental delay in hydrocephalus.
22. Use of ultrasound-guided bedside procedures in NICU: safety and success rates.
23. PET-CT in pediatric oncology: indications, radiation considerations, and diagnostic yield.
24. Comparative study of ultrasound vs MRI in juvenile idiopathic arthritis joint assessment.
25. Imaging surveillance strategies after treatment of pediatric Wilms tumor: yield and timing.

Obstetrics & Fetal Imaging

1. Fetal MRI versus ultrasound in diagnosis of corpus callosum agenesis.
2. First-trimester uterine artery Doppler indices to predict preeclampsia.
3. 3D/4D ultrasound utility in mapping fetal facial clefts for surgical planning.
4. Placental MRI markers (T2*/DWI) for predicting placenta accreta spectrum.
5. Fetal lung volumetry by MRI predicting neonatal outcome in congenital diaphragmatic hernia.
6. Ultrasound fetal growth curves correlation with neonatal morbidity in SGA infants.
7. Transperineal ultrasound for pelvic floor integrity evaluation after vaginal delivery.
8. Cervical length and funneling in prediction of preterm birth risk.
9. Doppler velocimetry patterns in twin-to-twin transfusion syndrome and outcome prediction.
10. Automated first-trimester nuchal translucency measurement reproducibility.
11. Role of fetal MRI in detection and prognostication of neuronal migration disorders.
12. 3D ultrasound placental volume as predictor of fetal growth restriction.
13. MRI of fetal brain metabolite profiling (MRS) and neurodevelopmental correlation.
14. Comparison of color Doppler and MRI in mapping uteroplacental flow in preeclampsia.
15. Ultrasound predictors of successful external cephalic version.
16. Fetal echocardiography MRI correlation in complex congenital heart disease.
17. Role of ultrasound elastography in evaluating placenta stiffness and relation to adverse outcome.
18. MRI assessment of fetal renal anomalies and postnatal renal function correlation.
19. Accuracy of sonographic markers for twin discordant growth and perinatal outcome.
20. Impact of maternal BMI on ultrasound quality and fetal anomaly detection rates.
21. Role of antenatal MRI in diagnosing fetal neck masses and airway planning.
22. Volumetric ultrasound assessment of amniotic fluid and correlation with perinatal outcome.
23. Doppler indices of umbilical and middle cerebral arteries in late-onset FGR management.
24. Automated AI measurement of biparietal diameter and fetal head circumference reproducibility.
25. Placental lacunae on ultrasound predictive value for placenta accreta on MRI.

Vascular & Interventional Radiology

1. Ultrasound-guided vs CT-guided percutaneous liver biopsy outcomes and complications.
2. Imaging predictors of success following uterine artery embolization for fibroids.
3. CTA versus duplex ultrasound for preoperative mapping of lower limb bypass grafts.
4. CTA planning accuracy for endovascular AAA repair and outcomes.
5. Embolization efficacy for life-threatening hemoptysis: imaging predictors of recurrence.
6. Outcomes of CT-guided percutaneous cryoablation of renal tumors.
7. Optimal duplex surveillance intervals post-carotid stenting: prospective study.
8. Doppler parameters predictive of AV fistula maturation failure.
9. Comparative outcomes of image-guided drainage techniques for retroperitoneal abscess.
10. Contrast-induced nephropathy incidence after peripheral angiography and risk model.
11. Radiation exposure audit in complex TACE procedures and reduction strategies.
12. Percutaneous biliary drainage outcomes: transhepatic versus endoscopic assisted approaches.
13. CT perfusion in assessment of limb ischemia tissue viability pre-revascularization.
14. Role of cone-beam CT during embolotherapy for tumor devascularization completeness.
15. Short- and long-term outcomes of transjugular intrahepatic portosystemic shunt creation: imaging predictors.
16. Safety and efficacy of image-guided percutaneous ablation for bone metastases.
17. Imaging markers predicting restenosis after peripheral angioplasty.
18. Comparison of ultrasound versus fluoroscopic guidance for central venous port placement: complication rates.
19. Outcomes after angioembolization for pelvic fracture hemorrhage and CT predictors of rebleed.
20. Interventional radiology management of arteriovenous malformations: imaging factors predicting recurrence.
21. Role of pre-procedure CTA in planning complex biliary interventions.
22. Percutaneous nephrolithotomy imaging-guided tract planning and outcomes.
23. Usefulness of fusion imaging (US-CT) for difficult liver tumor ablations.
24. Evaluation of thrombolysis versus thrombectomy outcomes in acute limb ischemia using imaging predictors.
25. Cost-effectiveness of image-guided versus open abscess drainage in abdominal sepsis.

Nuclear Medicine

1. FDG PET-CT in early detection of recurrent head and neck cancer: impact on management.
2. PET metabolic tumor volume as a predictor of survival in lymphoma patients.
3. PSMA PET versus conventional imaging in restaging recurrent prostate cancer.
4. PET-CT for differentiating radiation necrosis from tumor recurrence in brain lesions.
5. PET/MRI hybrid imaging role in pediatric oncology staging and radiation reduction.
6. Quantitative PET metrics predicting immunotherapy response in metastatic melanoma.
7. 68Ga-DOTATATE PET-CT detection rate for neuroendocrine tumor primary unknown site.
8. 18F-NaF PET-CT sensitivity for bone metastases vs Tc-99m bone scan.
9. PET-CT utility in fever of unknown origin and impact on management decisions.
10. Effects of SEMAR/metal artifact reduction on PET attenuation correction accuracy.
11. FDG PET-CT in sarcoidosis: diagnostic patterns and organ involvement correlation.
12. PET-CT in cardiac sarcoidosis diagnostic accuracy and prognostic value.
13. Quantitative changes in SUVmax as early biomarker of chemo-response in lung cancer.
14. Role of PET-CT in assessment of prosthetic joint infection compared with labeled leukocyte scan.
15. Impact of physiologic bowel uptake suppression protocols on abdominal PET-CT lesion detection.
16. Use of PET radiomics to predict mutation status in NSCLC.
17. Diagnostic yield of PET-CT in vasculitis and monitoring of therapy response.
18. PSMA PET impact on surgical planning in oligometastatic prostate cancer.
19. Comparison of PET-CT and MRI in staging of soft tissue sarcomas.
20. Utility of FDG PET-CT in lymphoma surveillance versus CT-only follow-up.
21. PET-CT pitfalls in infection versus malignancy: pattern-based diagnostic approach.
22. Radiation dosimetry of novel PET tracers: institutional prospective audit.
23. Dual-time-point PET imaging for improving specificity in indeterminate lesions.
24. PET-guided biopsy accuracy and impact on diagnostic yield in deep abdominal lesions.
25. Machine learning models combining PET and clinical data to predict treatment response.

Oncologic Imaging & Radiomics

1. CT radiomics signature predicting KRAS mutation status in colorectal cancer.
2. Multiparametric MRI predictors of pathological complete response in rectal cancer post-NAC.
3. Serial CT volumetry as objective tumor response measure in pancreatic cancer.
4. Mammography texture analysis to predict tumor grade in breast cancer.
5. PET radiomics to differentiate benign from malignant pulmonary nodules.
6. MRI radiomics for preoperative microvascular invasion prediction in HCC.
7. CT radiomics score to predict nodal metastasis in gastric cancer.
8. Delta-radiomics as early marker of response to chemo in head-neck malignancy.
9. AI segmentation reproducibility for tumor volumetry across CT vendors.
10. CT perfusion biomarkers for anti-angiogenic therapy response assessment.
11. Radiomics-based nomogram combining imaging and clinical data for survival prediction in lung cancer.
12. Texture features on MRI predicting tumor-infiltrating lymphocyte density in breast cancer.
13. Radiomics model to predict resectability in pancreatic adenocarcinoma.
14. MRI radiomic features predicting recurrence after prostatectomy.
15. PET-based radiomics for predicting pseudo-progression versus true progression in brain tumors.
16. External validation of a CT radiomics model for HCC across centers.
17. Radiomics for preoperative grading of soft tissue sarcomas.
18. Integration of radiomics with liquid biopsy markers to improve predictive accuracy.
19. Stability of radiomic features across reconstruction kernels and scanners: multi-center study.
20. Deep learning radiogenomic models to infer mutation profiles from imaging.
21. CT radiomics to predict tumor hypoxia and radiotherapy resistance.
22. Radiomics features on baseline scans predicting immunotherapy-related adverse events.
23. Automated pipeline for harmonization of radiomic features across institutions.
24. Comparison of handcrafted radiomics versus deep features for survival prediction in glioblastoma.
25. Prospective trial of radiomics-guided adaptive therapy in locally advanced cancer.

Trauma & Emergency Imaging

1. Whole-body CT (pan-scan) diagnostic yield versus focused imaging in blunt multisystem trauma.
2. Dual-energy CT for detecting active pelvic fracture bleeding and embolization planning.
3. FAST versus extended FAST sensitivity for intraperitoneal hemorrhage detection in blunt trauma.
4. Brain CT features predictive of early neurosurgical intervention in TBI.
5. Low-dose CT for orbital trauma fracture detection and visual outcomes correlation.
6. CT criteria validation for nonoperative management of splenic injury.
7. Whole-spine CT reconstruction sensitivity for occult thoracolumbar fractures.
8. MRI utility in adult SCIWORA diagnosis and prognostication.
9. Contrast-enhanced ultrasound in emergency detection of solid-organ lacerations.
10. Portable chest radiography vs digital radiography diagnostic performance in ventilated trauma patients.
11. Imaging predictors of bowel ischemia in blunt abdominal trauma on CT.
12. CT pulmonary angio scoring to triage traumatic pulmonary embolism risk.
13. MRI diffuse axonal injury markers and long-term cognitive outcome correlation.
14. Role of iteration-based low-dose CT in multiple follow-up scans for trauma.
15. Ultrasound diagnosis and prognostic markers in pediatric blunt abdominal trauma.
16. Whole-body MRI for non-accidental injury detection in children: feasibility and yield.
17. Automated AI detection of intracranial hemorrhage on emergent CT head scans.
18. CT findings predictive of need for thoracotomy in penetrating chest trauma.
19. Imaging-based scoring system to predict transfusion requirement after pelvic fractures.
20. Comparison of focused sonography versus CT for hemothorax quantification in the ED.
21. Role of contrast-enhanced CT in diagnosing diaphragmatic rupture post blunt trauma.
22. CT angiography sensitivity for detecting vascular injuries in extremity trauma.
23. Radiologic predictors of compartment syndrome after limb fractures.
24. Low-field MRI feasibility for spinal cord injury assessment in unstable patients.
25. Outcomes and radiation exposure analysis of repeat CT imaging protocols in polytrauma care.

Imaging Technology & Physics

1. Comparison of iterative reconstruction algorithms for abdominal CT image quality and dose reduction.
2. Pediatric CT effective dose estimation and protocol optimization across age groups.
3. AI-based denoising evaluation for low-dose chest CT in obese cohorts.
4. Ultra-low-dose CT pulmonary angiography image quality trade-offs and diagnostic threshold.
5. Phantom study optimizing tube current modulation for liver lesion detectability.
6. MRI geometric distortion impact on stereotactic radiosurgery planning QA.
7. Surface versus internal fiducials for motion correction accuracy in PET-CT.
8. Fluoroscopy dose reduction strategies in interventional radiology: audit and outcomes.
9. Validation of automated dose-tracking systems in tertiary radiology practice.
10. Influence of 1.5T versus 3T MRI field strength on small lesion contrast-to-noise.
11. Image quality and dose comparison of flat-panel detector radiography versus CR.
12. Optimization of CT spectral imaging protocols for material decomposition accuracy.
13. Assessment of AI-based automated protocoling for CT: safety and efficiency.
14. Radiation dose reduction using virtual non-contrast images derived from dual-energy CT.
15. Evaluation of MRI acoustic noise mitigation techniques and patient comfort.
16. Multicenter variability in CTDIvol for common CT exams: benchmarking and recommendations.
17. Impact of gantry tilt on organ dose distribution in head and neck CT.
18. Evaluation of deep-learning-based motion correction for cardiac CT image salvage.
19. Assessment of MR-compatible implant artifacts and artifact reduction sequences.
20. CT iterative reconstruction effect on radiomics feature stability.
21. Diagnostic impact of reduced-dose digital mammography protocols with AI enhancement.
22. Phantom and clinical validation of low-dose cone-beam CT for dental implant planning.
23. Workflow and safety assessment of automated contrast injectors with bolus tracking.
24. Dose and image quality tradeoffs of portable chest CT versus radiography in ICU.
25. Institutional audit of compliance with national DRLs and corrective interventions.

Radiology AI & Informatics

1. External validation of AI pulmonary nodule detection model on multi-center chest CTs.
2. AI triage for acute intracranial hemorrhage on CT: performance and effect on reporting time.
3. NLP extraction of BI-RADS categories from mammography reports: accuracy and utility.
4. Machine learning model predicting 30-day hospital readmission using imaging biomarkers.
5. Dataset heterogeneity effects on AI lesion segmentation reproducibility across vendors.
6. Automated wrist fracture detection model feasibility in ED workflow.
7. Human-AI interaction study: radiologist acceptance and diagnostic confidence with CAD for mammography.
8. RIS-based process mapping to reduce report turnaround time using data analytics.
9. Federated learning feasibility for multi-center chest X-ray AI development preserving privacy.
10. Cost-benefit analysis of implementing AI chest x-ray triage in tertiary centre.
11. Performance drift monitoring and recalibration strategies for deployed AI models.
12. Automated quality control pipeline for CT and MRI DICOM metadata completeness.
13. NLP-based surveillance of incidental pulmonary nodules for follow-up adherence.
14. Explainability methods comparison for deep learning models in radiology.
15. AI-supported protocol selection: safety and efficiency audit in CT ordering.
16. Using imaging plus EHR data for predicting need for ICU admission: ML model.
17. Human factors study on alert fatigue from AI triage notifications.
18. Benchmarking public chest X-ray datasets: label quality and bias analysis.
19. Integrating AI outputs into PACS: workflow and radiologist performance impact.
20. Automated bone age assessment model validation in local pediatric population.
21. Development and validation of AI for MR brain tumor segmentation across field strengths.
22. Data governance framework for multi-institutional radiology AI research.
23. Real-world evaluation of AI-based fracture detection: sensitivity, specificity, and missed diagnoses.
24. Time-motion study quantifying radiologist time saved with structured reporting templates.
25. Ethical and bias audit of an AI mammography tool in diverse population subsets.

Transplantation Imaging

1. CT/MR imaging predictors of early graft dysfunction in liver transplant recipients.
2. Doppler ultrasound criteria for renal transplant rejection correlated with biopsy.
3. Contrast-enhanced ultrasound for hepatic artery thrombosis detection post-transplant.
4. CTA assessment of living donor hepatic vascular anatomy vs intraoperative findings.
5. Cardiac MRI for detection of allograft vasculopathy after heart transplant.
6. Perfusion CT to assess small bowel graft viability after intestinal transplantation.
7. PET-CT utility for early infection detection in immunosuppressed transplant patients.
8. MR iron quantification in transplant candidates with secondary hemosiderosis.
9. MR elastography to detect fibrosis recurrence in liver grafts.
10. Imaging surveillance protocol outcomes for lung transplant recipients.
11. Duplex ultrasound-based scoring system for renal transplant vascular complication prediction.
12. CT volumetry for donor kidney size estimation predicting recipient outcomes.
13. Role of MRI in evaluation of ischemia-reperfusion injury after liver transplant.
14. Assessment of biliary complications post-liver transplant: MRCP vs ERCP correlation.
15. Imaging predictors of chronic lung allograft dysfunction after lung transplant.
16. Contrast-enhanced ultrasound for detection of small hepatic artery anastomotic stenosis.
17. PET tracer uptake patterns in post-transplant lymphoproliferative disorder.
18. MR-based renal oxygenation mapping and graft prognosis.
19. Cost-effectiveness of routine CT surveillance in living liver donors.
20. Ultrasound shear wave elastography for early detection of graft fibrosis in pediatrics.
21. Use of 3D reconstruction for preoperative planning in complex re-transplantation.
22. Imaging markers predicting vascular thrombosis risk in pancreas transplant.
23. MRI vs CT for detection of post-transplant lymphocele and management implications.
24. Role of CTA in assessing hepatic venous outflow obstruction post-transplant.
25. Multimodality imaging algorithm for suspected transplant organ rejection: diagnostic accuracy.

Infection & Inflammation Imaging

1. FDG PET-CT versus labeled leukocyte scan for prosthetic joint infection diagnosis.
2. MRI criteria to differentiate septic arthritis from transient synovitis in children.
3. Whole-body MRI for multifocal osteomyelitis detection in diabetic patients.
4. Chest CT pattern analysis to separate bacterial from viral pneumonia.
5. CT predictors of complicated appendicitis (perforation, abscess) in adults.
6. Ultrasound early diagnosis and prognostic markers for necrotizing fasciitis.
7. MRI vs ultrasound in spondylodiscitis diagnosis and microbiological correlation.
8. CT enterography markers of active inflammation vs fibrosis in Crohn’s disease.
9. Imaging criteria for treatment response in spinal tuberculosis.
10. Contrast-enhanced MRI diagnostic performance for pelvic abscess localization in PID.
11. PET-CT role for detecting occult infection in fever of unknown origin.
12. Imaging biomarkers of inflammatory activity in rheumatoid arthritis: MRI and ultrasound.
13. CT severity scoring system for COVID-19 and correlation with inflammatory markers.
14. Role of ultrasound elastography in differentiating granulomatous from malignant lymphadenopathy.
15. MRI diffusion and perfusion as markers for brain abscess maturation.
16. Radiologic features predicting need for surgical drainage in pancreatic necrosis.
17. Accuracy of bedside lung ultrasound for detection of ventilator-associated pneumonia.
18. Imaging-based algorithm for early identification of fungal sinusitis in immunocompromised hosts.
19. PET-CT in monitoring therapy response in tuberculosis: SUV dynamics and prediction.
20. MRI and CT features predictive of complicated diverticulitis requiring intervention.
21. Role of contrast-enhanced ultrasound in differentiating hepatic abscess from necrotic tumor.
22. Imaging patterns of infective endocarditis on CT and PET-CT and correlation with surgical findings.
23. Use of quantitative MRI to track inflammatory myopathy activity over time.
24. CT imaging features predictive of prolonged hospital stay in patients with intra-abdominal sepsis.
25. Diagnostic accuracy of ultrasound versus MRI for necrosis detection in soft tissue infections.

Radiology Education, Reporting & Quality

1. Interobserver variability in CT severity scoring systems before and after targeted training.
2. Impact of structured reporting templates on report completeness and referring clinician satisfaction.
3. Effectiveness of simulation-based ultrasound training for residents: objective outcomes.
4. Audit of incidentalomas on abdominal CT: downstream testing and appropriateness.
5. Accuracy comparison between trainees and consultants in emergency CT head reporting under supervision.
6. Implementation of SOPs for contrast allergy management in radiology: outcomes and compliance.
7. Critical result communication timing audit pre and post escalation protocol.
8. Validity of trainee logbooks vs PACS-derived case numbers: accuracy and gaps.
9. Morning multidisciplinary rounds including radiology effect on length of stay.
10. Radiology resident burnout association with on-call imaging workload and mitigation strategies.
11. Randomized trial of structured vs free-text reporting for CT pulmonary angiography clarity.
12. Effect of peer review on report error rates and learning outcomes in a teaching hospital.
13. Impact of targeted feedback on trainee reporting accuracy in musculoskeletal MRI.
14. Audit of appropriateness of imaging requests for low back pain in primary care.
15. Implementation and effect of voice recognition software on report turnaround time and error rates.
16. Assessment of image interpretation skills before and after a focused chest radiograph teaching module.
17. Radiology department incident reporting analysis and corrective action outcomes.
18. Evaluation of a mentorship program on research output of radiology trainees.
19. Usability study of radiology dashboards for monitoring KPIs and quality metrics.
20. Cost analysis of second-opinion overreads by subspecialty radiologists for complex cases.
21. Training impact of flipped-classroom model for CT trauma reporting skills.
22. Assessment of clinician adherence to radiology follow-up recommendations for incidental pulmonary nodules.
23. Feasibility of competency-based progression for radiology residency: pilot outcomes.
24. Survey of referring physician perceptions of structured reporting versus narrative reports.
25. Effectiveness of targeted radiation safety education on CT protocol ordering patterns.

Miscellaneous / Emerging Topics

1. Whole-body low-dose CT for metabolic bone disease screening in chronic steroid users: yield and cost.
2. CT-derived imaging biomarkers of frailty predicting postoperative complications.
3. Postmortem CT patterns in suspected drowning versus hanging: forensic differentiation.
4. Tele-radiology diagnostic concordance between on-site and remote reporting for neuro CT.
5. Ultrasonographic sarcopenia assessment and correlation with mobility scores in geriatrics.
6. 3D printing from CT models for preoperative planning in complex orthopedic reconstructions.
7. AI triage for chest radiographs during simulated mass-casualty incidents: response times and accuracy.
8. Microbubble contrast agents for targeted molecular imaging in breast lesions pilot study.
9. Climate and humidity impact on MRI hardware stability and artifact frequency: institutional audit.
10. Cost-effectiveness of low-field portable MRI deployment in rural hospitals for stroke triage.
11. Radiologic patterns of electronic cigarette related lung injury compared with conventional smoking.
12. Imaging biomarkers of chronic pain syndromes on whole-body MRI.
13. Use of augmented reality with CT data for intraoperative navigation in spine surgery.
14. Point-of-care ultrasound curriculum effectiveness in non-radiologist clinicians: diagnostic outcomes.
15. Imaging-based assessment of vaccine-related lymphadenopathy incidence and duration.
16. MRI safety incidents related to ferromagnetic objects: root-cause analysis and prevention.
17. Feasibility of contrast-free MRI angiography for peripheral arterial disease in CKD patients.
18. Role of radiology in detection and management of occupational lung disease clusters.
19. Imaging correlates of long COVID: multi-organ MRI findings and symptom linkage.
20. Ethical frameworks and patient perspectives on AI use in diagnostic radiology: mixed-methods study.
21. Environmental impact audit of radiology department consumables and suggested reductions.
22. Use of smartwatches and wearable data integration with imaging for syncope workup.
23. Imaging markers of immune-related adverse events in patients on checkpoint inhibitors.
24. Feasibility and diagnostic yield of ultra-early portable chest CT in prehospital stroke triage.
25. Validation of rapid MRI protocols for emergency headache triage to exclude major pathology.