Adrenal, Male Genital and Retroperitoneal Imaging
Assess adrenal lesions, retroperitoneal processes and prostate, testicular and penile disease.
How to prepare for the current Final FRCR Part A
Build general-radiology breadth, then practise integrating clinical context, anatomy, multimodality findings, technique and management to select the single best answer.
Core concepts
Concept 1
Use organ of origin, hormonal or tumour context, attenuation, washout, chemical shift, enhancement and metastatic pattern.
Exam cue: Localise the abnormality and identify the organ, compartment, tissue or vessel before naming a diagnosis.
Concept 2
Select ultrasound, multiphase CT, MRI or radionuclide imaging to characterise lesions and answer local staging or functional questions.
Exam cue: Use age, clinical setting, tempo and the complete multimodality pattern to rank the most likely explanation.
Concept 3
Recognise torsion, abscess, haemorrhage, vascular invasion and imaging features relevant to surgery or biopsy.
Exam cue: Select the examination or intervention that changes management while accounting for contrast, radiation, access and urgency.
Concept 4
Apply normal and variant anatomy, modality technique, image quality and relevant imaging science to adrenal, male genital and retroperitoneal imaging.
Risk pitfalls and guardrails
Biopsying a potentially functioning adrenal lesion before biochemical exclusion and appropriate multidisciplinary planning.
Guardrail: Check justification, contraindications, coagulation or access, dose and complication rescue before selecting the technique.
Do not choose a merely plausible SBA option before comparing every option with the full clinical and imaging context.
Guardrail: Re-read the command word and compare every option; the task is to select the best available answer, not the first plausible one.
Memory anchors
Adrenal incidentaloma first steps
Review prior imaging, unenhanced attenuation, homogeneity, size and clinical or hormonal context.
Chemical-shift MRI
Signal loss on opposed-phase imaging supports intracellular lipid, typical of many adrenal adenomas.
Testicular torsion
It is a clinical emergency; ultrasound should support rapid management and must not create harmful delay.
Prostate MRI structure
Assess zonal anatomy, lesion signal, diffusion, enhancement and extra-prostatic features within a standardised examination.
Checkpoint rule
Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.
Knowledge Check (after reading)
Short check-up to confirm understanding of this module.
Check-up Questions
An incidental 2 cm adrenal nodule measures 4 HU on unenhanced CT. What is the most likely diagnosis?
An adrenal mass measures 30 HU unenhanced, 100 HU enhanced and 45 HU at 15 minutes. Its absolute washout exceeds 60%. What is the most likely diagnosis?
Answer all questions to submit.
Next step personalized recommendations
Continue learning
Move forward only after this module is stable.
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