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上胃肠道的绒毛状瘤为一种起源于上胃肠道粘膜柱状上皮的少见肿瘤。作者等复习Mayo医院3000个食管、760个胃、750个十二指肠、300个壶腹部及1800个小肠原发肿瘤的标本,发现16例共18个有典型绒毛形式和结构的肿瘤,其中7例在胃(2例同时有2个原发瘤、2例发生于胃、食管交界处并脱垂入食管),9例在十二指肠(内有7例在法特氏壶腹区)。男性9例、女性7例。年龄从35—78岁。病理上均为恶性,自原发癌至三级浸润性腺癌不等。
The villous tumor of the upper gastrointestinal tract is a rare tumor originating from the columnar epithelium of the upper gastrointestinal mucosa. The authors reviewed specimens of 3000 esophagus, 760 stomachs, 750 duodenums, 300 ampullaries, and 1800 primary intestine tumors of Mayo Hospital. A total of 18 tumors with typical villi form and structure were found in 16 cases. 7 cases were in the stomach (2 cases had 2 primary tumors, 2 cases occurred at the stomach, esophageal junction and prolapsed into the esophagus), 9 cases were in the duodenum (with 7 cases in the ampulla area ). 9 males and 7 females. Age from 35-78 years old. All are pathologically malignant, ranging from primary cancers to tertiary invasive adenocarcinomas.