抄録
A 68-year-old woman visited our hospital with a complainted of epigastralgia. Upper GI endoscopy revealed a prominent lesion associated with bridging folds of the posterior wall of the antrum. Endoscopic ultrasonography (EUS) showed a hyperechoic mass in the fourth layer. The inside echo was not uniform. Abdominal CT showed the mass to be continuous high density area. These findings led to the suspition of a leiomyoma or carcinoid tumor, lesions that are rich in bloody vessels. As the possibility of malignancy could not be ruled out, gastrectomy was performed. Histologically, the lesion was diagnosed to be a glomus tumor.
The EUS findings of only five cases of the stomach have been reported in Japan. All reported tumors were round or oval and were located from the submucosa to the muscularis propria. The EUS findings of this case were very similar to those previously reported. Histologically, the tumor contained numerous blood vessels, which were partly responsible for the non-uniform echoic pattern inside of the lesion.
