ADRENAL MASS

phaeochromocytoma [usually 3-5cm; enhances +C]

Conn's adenoma [usually small and hypodense]

non-functioning adenoma [usually small and hypodense]

cyst [well-defined; water density]

angiomyolipoma [1-2cm; fat-containing]

haemorrhage [hyperdense]

Cushing's adenoma [usually >2cm]

metastases [usually >2-3cm; patchy C enhancement]

adrenal carcinoma [usually >6cm; may be functional]

lymphoma

neuroblastoma [in infants; 90% contain calcifications]

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