History of renal oncocytoma presents with back pain. ABDOMEN:LIVER, BILIARY TRACT: Several liver cysts are noted. No biliary ductal dilatation or vascular abnormality. Normally distended gallbladder with focal adenomyomatosis at the gallbladder fundus, unchanged.SPLEEN: The spleen is normal in size and signal intensity. Stable peripheral simple appearing cyst.PANCREAS: Nonspecific peripancreatic lymph node measuring 1.0 cm in short axis.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: Postsurgical changes from left partial nephrectomy. There is loss of posterolateral pararenal fat, unchanged. Simple appearing right renal cyst. No hydronephrosis.Subcentimeter left renal T2-weighted hypointensity is too small to characterize.RETROPERITONEUM, LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: No significant abnormality noted.BONES, SOFT TISSUES: Sacral perineural/Tarlov cysts.OTHER: No significant abnormality noted.
1.Postsurgical changes from left partial nephrectomy.2.No specific findings to account for the patient's back pain.