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要旨 消化管発生例がまれな食道pyogenic granulomaの1例を経験したので報告する.症例は69歳男性,主訴は嚥下時のつかえ感.上部消化管内視鏡検査にて,胸部上部食道に白苔を伴う有茎性ポリープを認めた.白苔を可及的に除去したところ,血管腫が疑われたため,治療および全生検目的にpolypectomyを施行した.病理組織学的には表層に炎症細胞浸潤を伴う毛細血管内皮細胞の腫瘍性病変でpyogenic granulomaと診断した.本疾患の食道発生例は13例で,白苔を伴う有茎または亜有茎性ポリープが形態的特徴であった.悪性疾患との鑑別も必要であるが,後天性の血管腫であり,出血に注意すべき疾患である.
We reported a case of pyogenic granuloma in the esophagus. The occurrence of this lesion in the gastrointestinal tract apart from the oral mucosa is very rare.
A 69-year-old man was referred to our hospital with dysphagia. Endoscopic examination showed a pedunculated polypoid lesion, which was covered with a white coating on the top, in the upper esophagus. Pathological examination of the resected specimen revealed subepithelial proliferation of capillary vessels and it was diagnosed as pyogenic granuloma.
Although pyogenic granuloma is a benign and granulomatous lesion, endoscopic treatment is recommendable because of its tendency to hemorrhage.
Since it is often difficult to make a definite diagnosis of pyogenic granuloma, it is thought that EUS is a useful modality to determine the treatment strategy and that EMR is a reliable method both in the diagnosis and treatment for pyogenic granuloma.
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