PMC6526289_01
Contrast-enhanced CT shows a hyper-vascularized tumor in the small bowel (white arrow).
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Contrast enhanced CT showed a hyper-vascularized tumor in the small bowel which was considered to be a bleeding location (Fig. 1).
Double-balloon endoscopy revealed an ulcerated lesion and massive bleeding from an exposed vessel.
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Subsequently, double-balloon endoscopy with an oral approach was performed and a submucosal tumor with ulcerated lesion was identified (Fig. 2).
Resected specimen showing submucosal tumor with ulcerated lesion.
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A submucosal tumor with a diameter of 14 mm x 10 mm was detected in the resected specimen, which was responsible for the massive bleeding (Fig. 3).
Significantly dilated vascular region in the submucosal layer and a mucosal inversion into the disrupted vessel were confirmed by histological examination.
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Histological examination revealed a significantly dilated vascular region in the submucosal layer and inversion of mucosa was detected at the disrupted location of the vessel (Fig. 4).