大网膜肿瘤临床罕见,我院1963年～1991年曾收治8例,现报道如下。临床资料男3例,女5例。年龄23岁～70岁,平均45.6岁. 病程35h～20a.主要临床症状:腹块4例、腹痛6例,恶心呕吐及发热各2例,腹肌紧张及压痛5例。术中均见大网膜肿物,直径0.6cm～15cm,平均7cm。均作肿瘤切除。镜检:脂肪瘤3例,纤维瘤2例,脂肪纤维瘤、硬纤维瘤、平滑肌肉瘤各1例(附表)。 Omental cancer is clinically rare, our hospital from 1963 to 1991 had been treated in 8 cases, are reported below. Clinical data of 3 males and 5 females. The patients were 23 years old to 70 years old with an average age of 45.6 years. The course of disease was 35h ~ 20a. The main clinical symptoms included abdominal mass in 4 cases, abdominal pain in 6 cases, nausea, vomiting and fever in 2 cases, abdominal muscle tension and tenderness in 5 cases. Surgery were seen omentum mass, diameter 0.6cm ~ 15cm, an average of 7cm. All for tumor resection. Microscopic examination: 3 cases of lipoma, 2 cases of fibroids, fatty fibroma, hard fibroids, leiomyosarcoma in 1 case (Schedule).