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- Title
Solid and Papillary Neoplasm Arising from an Ectopic Pancreas in the Mesocolon.
- Authors
Ishikawa, Osamu; Ishiguro, Shingo; Ohhigashi, Hiroaki; Sasaki, Yo; Yasuda, Takushi; Imaoka, Shingi; Iwanaga, Takeshi; Nakaizumi, Akihiko; Fujita, Makoto; Wada, Akira
- Abstract
A case of solid and papillary neoplasm of a mesocolonic ectopic pancreas in a 13-yr-old girl is presented. An 8-cm, well-encapsulated, and partly calcified tumor which protruded from the mesocolon was resected surgically. Histologically, the tumor showed either solid sheets or papillary arrangements (around the vascular core) of uniformly small cells with α1-antitrypsin-positive cytoplasm. Some of the tumor cells had zymogen-like granules, suggesting acinar cell differentiation. At the base of this tumor, small pancreatic tissues (islet, acinar, and ductular cells) were detected in the meso-colonic tissue. Incidences of both ectopic pancreas outside the gastrointestinal wall and solid and papillary neoplasm of the pancreas are rare, and this is the first case reported in the literature.
- Subjects
PANCREATIC tumors; TUMORS in children; PANCREATIC acinar cells; CELL differentiation; ALPHA 1-antitrypsin
- Publication
American Journal of Gastroenterology (Springer Nature), 1990, Vol 85, Issue 5, p597
- ISSN
0002-9270
- Publication type
Article