A synchronous pancreatic neuroendocrine tumor and duodenal gastrointestinal stromal tumor

Keijiro Ueda; Masayuki Hijioka; Lingaku Lee; Hisato Igarashi; Yusuke Niina; Takashi Osoegawa; Kazuhiko Nakamura; Shunsuke Takahashi; Shinichi Aishima; Ohtsuka Takao; Ryoichi Takayanagi; Tetsuhide Ito

doi:10.2169/internalmedicine.53.2694

A synchronous pancreatic neuroendocrine tumor and duodenal gastrointestinal stromal tumor

Keijiro Ueda, Masayuki Hijioka, Lingaku Lee, Hisato Igarashi, Yusuke Niina, Takashi Osoegawa, Kazuhiko Nakamura, Shunsuke Takahashi, Shinichi Aishima, Ohtsuka Takao, Ryoichi Takayanagi, Tetsuhide Ito

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13 Citations (Scopus)

Abstract

We recently encountered the case of a patient with a synchronous duodenal gastrointestinal stromal tumor (GIST) and pancreatic neuroendocrine tumor (PNET). This is the first report of this specific combination of multiple primary tumors, although three cases involving both PNET and gastric GIST have previously been reported. Since the duodenal GIST developed close to the pancreatic uncus in this case, we considered the possibility of multiple PNETs in the differential diagnosis. However, a histopathological examination using endoscopic ultrasonography-guided fine-needle aspiration confirmed the diagnosis of multiple primary lesions, involving PNET and duodenal GIST.

Original language	English
Pages (from-to)	2483-2488
Number of pages	6
Journal	Internal Medicine
Volume	53
Issue number	21
DOIs	https://doi.org/10.2169/internalmedicine.53.2694
Publication status	Published - 2014

All Science Journal Classification (ASJC) codes

Internal Medicine

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10.2169/internalmedicine.53.2694

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title = "A synchronous pancreatic neuroendocrine tumor and duodenal gastrointestinal stromal tumor",

abstract = "We recently encountered the case of a patient with a synchronous duodenal gastrointestinal stromal tumor (GIST) and pancreatic neuroendocrine tumor (PNET). This is the first report of this specific combination of multiple primary tumors, although three cases involving both PNET and gastric GIST have previously been reported. Since the duodenal GIST developed close to the pancreatic uncus in this case, we considered the possibility of multiple PNETs in the differential diagnosis. However, a histopathological examination using endoscopic ultrasonography-guided fine-needle aspiration confirmed the diagnosis of multiple primary lesions, involving PNET and duodenal GIST.",

author = "Keijiro Ueda and Masayuki Hijioka and Lingaku Lee and Hisato Igarashi and Yusuke Niina and Takashi Osoegawa and Kazuhiko Nakamura and Shunsuke Takahashi and Shinichi Aishima and Ohtsuka Takao and Ryoichi Takayanagi and Tetsuhide Ito",

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doi = "10.2169/internalmedicine.53.2694",

language = "English",

volume = "53",

pages = "2483--2488",

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T1 - A synchronous pancreatic neuroendocrine tumor and duodenal gastrointestinal stromal tumor

AU - Ueda, Keijiro

AU - Hijioka, Masayuki

AU - Lee, Lingaku

AU - Igarashi, Hisato

AU - Niina, Yusuke

AU - Osoegawa, Takashi

AU - Nakamura, Kazuhiko

AU - Takahashi, Shunsuke

AU - Aishima, Shinichi

AU - Takao, Ohtsuka

AU - Takayanagi, Ryoichi

AU - Ito, Tetsuhide

PY - 2014

Y1 - 2014

N2 - We recently encountered the case of a patient with a synchronous duodenal gastrointestinal stromal tumor (GIST) and pancreatic neuroendocrine tumor (PNET). This is the first report of this specific combination of multiple primary tumors, although three cases involving both PNET and gastric GIST have previously been reported. Since the duodenal GIST developed close to the pancreatic uncus in this case, we considered the possibility of multiple PNETs in the differential diagnosis. However, a histopathological examination using endoscopic ultrasonography-guided fine-needle aspiration confirmed the diagnosis of multiple primary lesions, involving PNET and duodenal GIST.

AB - We recently encountered the case of a patient with a synchronous duodenal gastrointestinal stromal tumor (GIST) and pancreatic neuroendocrine tumor (PNET). This is the first report of this specific combination of multiple primary tumors, although three cases involving both PNET and gastric GIST have previously been reported. Since the duodenal GIST developed close to the pancreatic uncus in this case, we considered the possibility of multiple PNETs in the differential diagnosis. However, a histopathological examination using endoscopic ultrasonography-guided fine-needle aspiration confirmed the diagnosis of multiple primary lesions, involving PNET and duodenal GIST.

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JO - Internal Medicine

JF - Internal Medicine

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ER -

A synchronous pancreatic neuroendocrine tumor and duodenal gastrointestinal stromal tumor

Abstract

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