A Case of Malignant Asymptomatic Pancreatic Endocrinoma with Extrapancreatic Growth.

Waku, Toshihiko; Uetsuka, Hirokazu; Watanabe, Naoki; Mori, Takashi; Shiiki, Shigeo; Nakai, Hajime; Orita, Yohjiroh; Harafuji, Izurni; Yoshino, Tadashi

doi:10.5833/jjgs.30.1942

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2000

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“…[2][3][4][5][6][7][8] In the present study, we added three more cases, and the data of those reports including the present case are summarized in Table 1. [1][2][3][4][5][6][7][8][9][10] Although endocrine tumors of the pancreas do not usually form a cyst, the frequency of cyst formation specifically in the nonfunctional type is about 30%. 11 The endocrine tumors of the pancreas are originally solid and rich in vascular flow.…”

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confidence: 99%

Nonfunctioning endocrine tumor of the pancreas with extrapancreatic growth and cyst formation: Report of a case

et al. 2000

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We report a case of nonfunctioning endocrine tumor of the pancreas with extrapancreatic growth and cyst formation. A 48-year-old woman was admitted to our hospital with an upper abdominal mass, which was detected during a routine medical checkup. The preoperative diagnosis was a solid cystic tumor of the pancreas. The tumor, which measured about 7cm in diameter, arose from the head of the pancreas and had a thin stalk, measuring about 1 cm in diameter. The histopathological diagnosis was a malignant nonfunctioning endocrine tumor of the pancreas. Cyst formation occurred in 67% of the reported cases with extrapancreatic growth in Japan. It is speculated that the cyst formation in this disease is related to the large size of the tumor and to the extrapancreatic growth.

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