Korean J Gastrointest Endosc > Volume 21(4); 2000 > Article
Korean Journal of Gastrointestinal Endoscopy 2000;21(4): 774-779.
직장 유암종 ( Carcinoid Tumor ) 에서 내시경 초음파의 임상적 유용성 ( The Clinical Value of Endoscopic Ultrasonography ( EUS ) in Rectal Carcinoid Tumor )
진윤태(Yoon Tae Jin),전훈재(Hun Jae Jeon),이성준(Sung Jun Lee),강창돈(Chang Don Kang),이홍식(Hong Sik Lee),송치욱(Chi Wook Song),엄순호(Sun Ho Eum),이상우(Sang Woo Lee),최재현(Jae Hyun Choi),김창덕(Chang Duk Kim),류호상(Ho Sang Ryu),현진해(Jin Hae Hyun)

Carcinoid tumor of the rectum is relatively uncommon lesion with malignant potential, representing 17-27% of gastrointestinal tract carcinoid. The selection of treatment in rectal carcinoid tumor is determined by the depth of invasion and the presence of metastasis. In this study, we evaluated the clinical utility of EUS in selecting the management of the rectal carcinoid tumor.
Total 8 patients witd rectal carcinoid tumor diagnosed by means of colonoscopy and EUS from 1994 to 1999 were included in this study. None had specific symptoms of carcinoid syndrome. The treatment modality of all tumors were selected by EUS before resection. We examined histologic feature after resection of tumors in order to evaluate the effectiveness of EUS.
In total 8 patients, the image of tumors was oval to round. The internal echo was generally hypoechoic and homogenous. The margins were clearly visualized, and the contour was somewhat smooth. All tumor were resected completely. The overall accuracy of determining the depth of invasion using endoscopic ultrasonography was 87% (7 of 8 lesions).
; EUS is considered to be helpful in evaluating the malignant behavior of rectal carcinoid tumor. It is suggested that the criteria of the selection based on the EUS findings is available in the choice of treatment for rectal carcinoid tumor.
Key Words: Endoscopic ultrasonography , Rectal carcinoid
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