Renal pseudotumour

Developmental

• Prominent column of Bertin
• Persistent fetal lobulation
• Dromedary hump
• splenorenal fusion
• cross-fused renal ectopia
• renal hilar lip

Infectious and inflammatory

• renal abscess
• pyelonephritis
• scarred kidney
• granulomatous renal disease
• renal tuberculosis
• xanthogranulomatous pyelonephritis (XGP)
• renal sarcoidosis
• renal malakoplakia

Vascular

• extramedullary haematopoiesis
• renal arteriovenous malformation
• renal haematoma
• subepithelial pelvic haematomas (Antopol-Goldman lesions) 4
• anticoagulant-induced subcapsular haemorrhage

Miscellaneous

• regenerating nodule after reflux
• post partial nephrectomy