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논문 기본 정보

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학술저널
저자정보
Ayoung Kang (Pusan National University Yangsan Hospital) Sung Hwan Cho (Pusan National University Yangsan Hospital) Byung-Soo Park (Pusan National University Yangsan Hospital) Gyung Mo Son (Pusan National University Yangsan Hospital) Hyun Sung Kim (Pusan National University Yangsan Hospital) Jae-Joon Kim (Pusan National University Yangsan Hospital) Su Jin Kim (Pusan National University Yangsan Hospital) Dong Hoon Shin (Pusan National University Yangsan Hospital) Tae Un Kim (Pusan National University Yangsan Hospital)
저널정보
대한종양외과학회 KOREAN JOURNAL OF CLINICAL ONCOLOGY Korean Journal of Clinical Oncology 제16권 제2호
발행연도
2020.12
수록면
138 - 141 (4page)

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An extragastrointestinal stromal tumor (EGIST) is a gastrointestinal stromal tumor that arises outside of the gastrointestinal tract. Most EGISTs are located in the omentum, mesentery, and retroperitoneum. The occurrence of an EGIST at the perianal region is very rare. Herein, we report our experience with EGISTs in the perianal area and review the literature. A 70-year-old man presented to our hospital with a 2-year history of anal discomfort. A pelvic magnetic resonance imaging scan showed a homogenous, well-defined, soft tissue density mass. The patient underwent mass excision, and the pathological examination confirmed that the mass was an EGIST. The size of the tumor was 4.3×3.2 cm, and the mitotic count was 1 per 50 high-power fields. The tumor cells were immunohistochemically positive for KIT and CD34 but were negative for S-100 and alpha-smooth muscle actin. There were no other abnormal findings in the gastrointestinal tract; upon pathological review, this case was confirmed as perianal EGIST. Therefore, EGIST should be considered as a differential diagnosis of perianal masses.

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INTRODUCTION
CASE REPORT
DISCUSSION
REFERENCES

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