[例1] 男,31岁,因无规律性上腹痛伴反酸、腹胀及食欲不振10年,半月来加重,于1984年6月29日行胃镜检查。于30 cm处见食管后壁有一灰白色、直径3 mm的广基息肉样隆起,表面略不平,周围粘膜正常。胃及十二指肠检查仅见慢性浅表性胃炎。内镜诊断乳头瘤不排除。病理诊断:食管鳞状乳头瘤。 [Example 1] Male, 31 years old, because of irregular upper abdominal pain with acid reflux, bloating and loss of appetite 10 years, half a month to aggravate, on June 29, 1984 gastroscopy. At 30 cm at the posterior wall of the esophagus has an off-white, 3 mm in diameter wide basal-like meat-like uplift, the surface is slightly uneven, normal mucosa around. Gastric and duodenal examination only see chronic superficial gastritis. Endoscopic diagnosis of papilloma is not ruled out. Pathological diagnosis: Esophageal squamous cell tumor.