Korean J Gastrointest Endosc > Volume 37(5); 2008 > Article
Korean Journal of Gastrointestinal Endoscopy 2008;37(5): 349-354.
줄기를 형성한 위의 점액성 위장관간질종양 1예
경희대학교 의과대학 내과학교실, *외과학교실
A Case of a Myxoid Variant of a Pedunculated Extraluminal Gastrointestinal Stromal Tumor (GIST) in the Stomach
Jae Myung Cha, M.D., Joung Il Lee, M.D., Jae Won Choe, M.D., Kwang Ro Joo, M.D., Sung Won Jung, M.D., Hyun Phil Shin, M.D., Woo Young Hew, M.D. and Sung Il Choi, M.D.*
Departments of Internal Medicine and *Surgery, Kyunghee University College of Medicine, Seoul, Korea
Gastointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract. They are frequently identified as incidental lesions found by routine endoscopy or in resection specimens that are removed for other reasons. The macroscopic morphology of GISTs may be classified as the intraluminal type, extraluminal type, mixed type and intramural type. The extraluminal type is the second most frequent tumor encountered, but a GIST pedunculated externally from the stomach is very rare. In addition, the myxoid epithelioid variant, which is characterized by an unusually myxoid stroma and epithelioid histology, is also a rare distinct subtype of a GIST that is closely correlated with negative immunoreactivity for c-kit. We report a case of a myxoid epithelioid variant of a pedunculated extraluminal GIST in a 62-year-old man that presented with an abdominal mass. (Korean J Gastrointest Endosc 2008;37:349-354)
Key Words: Gastrointestinal stromal tumor, Epithelioid, Extraluminal, Myxoid, Peduncle
주요어: 위장관간질종양, 장막하형, 줄기, 점액성, 상피양세포
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