Pancreatic collision tumors are rare neoplasm, and cases consisting of ductal adenocarcinoma with a neuroendocrine tumor, intraductal papillary mucinous neoplasm with a neuroendocrine tumor, and solid pseudopapillary neoplasm with a neuroendocrine tumor have been reported. We report a case of a rapidly growing pancreatic collision tumor consisting of desmoidtype fibromatosis and mucinous cystic neoplasm in a 30-year-old pregnant female. To the best of our knowledge, this is the first reported case of a pancreatic collision tumor consisting of desmoid-type fibromatosis and mucinous cystic neoplasm.
An inflammatory fibroid polyp is a rare benign tumor that can arise throughout the gastrointestinal tract. Most cases are observed in the stomach or ileum, and more rarely in the appendix (< 1%). We report on a case of an inflammatory fibroid polyp of the appendix.
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