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目的探讨网膜囊内巨大肿块(≥5cm)的CT诊断和鉴别诊断。方法收集经CT检查、病理证实的网膜囊巨大肿块13例。结果13例中胃恶性间质瘤3例,十二指肠恶性间质瘤1例,胰腺癌2例,胰腺囊实性乳头状瘤1例,胰腺无功能神经内分泌癌3例,胰腺假性囊肿2例,肠系膜淋巴瘤1例。结论网膜囊巨大肿块CT表现具有一定的特征,CT能在术前做出正确的诊断。
Objective To investigate the CT diagnosis and differential diagnosis of giant cysts (≥5cm) in the omental capsule. Methods Totally 13 cases of huge omentum cysts were confirmed by CT examination and pathological examination. Results Thirteen cases of gastric malignant stromal tumors in 3 cases, 1 case of duodenal malignant stromal tumors, 2 cases of pancreatic cancer, 1 case of pancreatic cystic solid papilloma, 3 cases of pancreatic nonfunction neuroendocrine carcinoma, pancreatic pseudo 2 cases of cyst, 1 case of mesenteric lymphoma. Conclusions CT findings of giant cysts of the omental sac have certain characteristics. CT can make correct diagnosis before operation.