description:Serous cystadenoma of the pancreatic head. This patient demonstrates a typical appearance of a serous cystadenoma (arrow) with central calcifications and innumerable cysts creating a "mass". Serous cystadenomas can create mass effect but in themselves do not require resection. Multiple solid and cystic (curved arrows) renal lesions are also present. This patient died of metastatic renal cell carcinoma.

source:http://www.cc.nih.gov/ccc/papers/vonhip/pancreaticcystic.html archive copy at the Wayback Machine

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