Antral Vascular Ectasia

《英文msh詞典》Antral Vascular Ectasia
[同義詞] Antral Vascular Ectasia
[主題詞] Gastric Antral Vascular Ectasia
[中文釋義] 竇血管擴張
[英文釋義] A capillary ectasia of the gastric antrum mucosa characterized by thickened,red vascular folds radiating longitudinally from the pylorus to the antrum and resembling,upon endoscopic examination,the stripes on the skin of a ripened watermelon. Histological characteristics include dilated mucosal capillaries,focal thrombosis,and fibromuscular hypertrophy of the lamina propria. It is a cause of chronic upper gastrointestinal bleeding.