Case of the Month November 2013, Page 3

Answer: A) The most common solid renal lesion is renal cell carcinoma. Lymphoma and metastatic lesion are less likely without a known history of immunocompromise or known primary malignancy, respectively. A column of Bertin is not exophytic.

For full-size image, please click CT Abdomen 6 .

Question: Coronal reformats were performed. Which of the following best describes the mass?
    A) Isodense to pancreas, therefore likely pancreatic in origin
    B) Hypodense to kidney, therefore likely benign renal cyst
    C) Fat-containing, therefore likely benign angiomyolipoma   
    D) Neither pancreatic nor renal in origin

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