Journal of Pathology and Translational Medicine

Case Reports

Adenocarcinoma with Intraductal Papillary Mucinous Neoplasm Arising in Jejunal Heterotopic Pancreas: Ju Young Song, Jee Young Han, Sun Keun Choi, Lucia Kim, Suk Jin Choi, In Suh Park, Young Chae Chu, Kyu Ho Kim, Joon Mee Kim; Korean J Pathol. 2012;46(1):96-100. Published online February 23, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.1.96

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A 74-year-old man suffered from jejunal perforation and adhesion to sigmoid colon due to adenocarcinoma associated with intraductal papillary mucinous neoplasm (IPMN) arising in a jejunal heterotopic pancreas. The jejunal lesion showed direct extension to the sigmoid colon, which was mistaken as sigmoid colon cancer by surgeons. Malignant transformation is a rare complication of a heterotopic pancreas. About half of malignancies in reported cases were ductal adenocarcinoma arising in the stomach, and the jejunal location is extremely rare. Furthermore, IPMN is also uncommon finding in a heterotopic pancreas.

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Intraductal Papillary Mucinous Neoplasm Arising from Heterotopic Pancreas in Stomach: A Case Report and Review of Literature
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SSRN Electronic Journal .2022;[Epub] CrossRef
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Pleomorphic Hyalinizing Angiectatic Tumor of Soft Parts: A Case Report.: Young Chae Chu, Sun Keun Choi, In Suh Park, Hye Seung Han, Jee Young Han, Joon Mee Kim; Korean J Pathol. 2002;36(3):195-198.

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Abstract PDF: A case of rare pleomorphic hyalinizing angiectatic tumor (PHAT) of soft parts is reported. A 35-year-old woman presented with a subcutaneous solid mass in the left inguinal area, which had been present for 3 months, was presented to us. The tumor was histologically characterized by sheets of mitotically inactive oval and pleomorphic cells, mono-and multinucleated giant cells, intranuclear cytoplasmic inclusions, and prominent clusters of thinwalled ectatic vessels with perivascular hyalinization. A focal hemangiopericytoma-like vascular pattern, pseudovascular spaces, stromal collagen with degenerative change and abundant mast cells were observed. The tumor cells were reactive for vimentin and CD34. This tumor shared several features with malignant fibrous histiocytoma, ancient schwannoma, giant cell angiofibroma, giant cell fibroblastoma and solitary fibrous tumor. The patient was well with no evidence of disease for 10 months.

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