Huge mucinous cystic adenocarcinoma of the pancreas.

pected to be a mucinous cystic adenocarcinoma. We performed en bloc distal pancreatectomy and splenectomy. The macroscopic appearance was consistent with mucinous cystic neoplasm ( fig. 3 ). Microscopy showed epithelium composed of mucin-secreting cells and a dense cellular ovarian-type stroma ( fig. 4 ). Adenocarcinoma was A 41-year-old woman was referred to our hospital for evaluation of an abdominal tumor. Contrast-enhanced CT and MRI showed a cystic tumor, 21 cm in diameter, with internal septa localized in the tail of the pancreas ( fig. 1 ). FDG-PET revealed significantly increased uptake in the solid component ( fig. 2 ). Thus, this tumor was susPublished online: November 10, 2010