다발성 간 전이를 일으킨 작은 직장 유암종 1예
A Case of a Small Rectal Carcinoid Tumor with Multiple Liver Metastasis
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참고문헌
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초록
유암종은 장크롬친화성 세포에서 발생하는 비교적 드문 종양이며, 그 중 직장 유암종은 전체 위장관 유암종에서 소장, 충수돌기에 이어 세번째로 흔하게 발생하는 종양이다. 직장 유암종은 보통 양성의 경과를 취하지만 간혹 악성 경과를 취할 수도 있다. 유암종의 악성도는 유암종의 크기와 주위 침습정도, 전이 유무에 따라 구분하는데 보통 유암종의 크기가 2 cm 미만인 경우 양성의 경과를 취한다고 알려져 있다. 최근 저자들은 54세 남자환자에서 크기가 1.8 cm 로 작은 직장 유암종의 다발성 간전이가 있었던 1예를 경험하여 보고한다.
Abstract
Carcinoid tumors originate from the enterochromaffin cells. Rectal carcinoid tumors comprise 12.6% of all carcinoid tumors and they represent the third largest group of the gut carcinoids. However, a recent report showed that the number of reported cases has increases rapidly, which is probably due to the increased number of colonoscopic examinations. The aggressiveness of rectal carcinoid tumors is determined by the depth of invasion and the presence of metastasis. The clinical course of rectal carcinoid is benign, but these tumors may have a malignant character when the lesion is larger than 2 cm in diameter. We have experienced a case of rectal carcinoid tumor smaller than 2 cm in diameter and the patient had multiple liver metastasis.
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