1)上部消化管 (3)血管腫，胃前庭部毛細血管拡張症，angiodysplasia

Endoscopic Treatment for Benign Tumors in the Upper Gastrointestinal Tract ― Hemangioma, Gastric Antral Vascular Ectasia and Angiodysplasia

出血の原因となる上部消化管の血管性病変として血管腫，胃前庭部毛細血管拡張症，angiodysplasiaに着目し内視鏡治療について概説した．血管腫の治療は，外科的切除が基本であるが，大きさと肉眼形態により内視鏡的切除も可能である．前庭部毛細血管拡張症とangiodysplasiaは内視鏡治療が第一選択であり，ヒートプローブやアルゴンプラズマ凝固法による粘膜焼灼が有効である．血管性病変に対する内視鏡治療においては，処置中の大量出血に対処できるよう，慎重な対応が必要である．

The treatment methods for vascular disease, such as hemangioma, gastric antral vascular ectasia, and angiodysplasia, which cause bleeding and anemia occurring in the upper gastrointestinal tract, were described. Although surgical resection is a standard method for treatment for hemangioma, it is possible to treat it by endoscopic treatment according to the size and macroscopic shape of the tumor. The initial treatment of choice for gastric antral vascular ectasia and angiodysplasia is endoscopic therapy, such as heater probe or argon plasma coagulation. Because of the possibility of causing massive hemorrhage during the treatment for these lesions, much care is needed.