78-year-old male with history of elevated LFTs. History of metastatic rectal melanoma. ABDOMEN:LIVER, BILIARY TRACT: In segment 5, there is a lesion with intermediate T2 and high T1 signal abnormality lesion measuring 2.2 x 2.2 cm with mild enhancement (image 21 of series 4).Nonenhancing left hepatic lobe simple cyst.The common bile duct measures 5 mm. No evidence of abnormal filling defects.SPLEEN: No significant abnormality noted.PANCREAS: No significant abnormality noted.ADRENAL GLANDS: Small left adrenal nodule with fat representing an adenoma.KIDNEYS, URETERS: No significant abnormality noted.RETROPERITONEUM, LYMPH NODES: Mildly enhancing Left perirenal nodule measuring 2.1 x 1.6 cm (Image 17 of series 8).BOWEL, MESENTERY: Left lower quadrant colostomy.BONES, SOFT TISSUES: No significant abnormality noted.OTHER: No significant abnormality noted.
1. Segment 5 hepatic lesion with imaging characteristics of metastatic melanoma appearing similar to prior PET/CT.2. Left perirenal nodule also likely representing metastatic disease.3. Left adrenal adenoma.