2010•Clinical EndoscopyRequires access
Two Granular Cell Tumors of the Colon with the Endosonographic Features
Du San Baik, Jeong Eun Shin, Sang Soo Lim, Se Young Yun, Suk Bae Kim, Hong Ja Kim, Il Han Song, Na Hye Myong
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Abstract
Granular cell tumor is relatively uncommon, it is usually benign and it can be located anywhere throughout the body. It is uncommon in the digestive tract, and especially in the colon and rectum. The endosonographic features of granular cell tumor are usually a relatively hypoechoic, heterogenous lesion in the submucosa, but this tumor has rarely been reported in the colon. We report here on two cases of granular cell tumors of the colon that were observed by using endoscopic ultrasonograpy for making the differential diagnosis of a submucosal tumor and these tumors were confirmed by microscopic examinations after endoscopic mucosal resection.