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目的探讨胃重复囊肿合并原发性腺癌的临床病理特征。方法分析1例胃重复囊肿合并原发性腺癌的临床资料、影像学改变及病理组织学特征,并结合文献讨论。结果肿瘤位于左上腹脾胃韧带间,大小8 cm×8 cm×6 cm,呈类圆形,与胃大弯浆膜层紧密相连,但与胃腔不相通。肿瘤呈囊性,壁厚、充满黏稠物质,基底部与大弯相连约6 cm。镜下囊性肿块内衬胃黏膜,有发育良好的囊壁,依次为黏膜层、黏膜下层、肌层和浆膜层;部分区域发生癌变,病理诊断为“中分化腺癌,侵及囊壁浆膜层和胃肌层”。结论胃重复囊肿是一种罕见的先天性发育异常性疾病,发生恶性肿瘤非常罕见,大多数为腺癌,少数为鳞癌。为防止恶变,重复囊肿即使无症状也应及时手术切除。
Objective To investigate the clinicopathological features of gastric recurrent cyst complicated with primary adenocarcinoma. Methods One case of gastric recurrent cyst complicated with primary adenocarcinoma was analyzed retrospectively. The clinical data, imaging changes and histopathological features were analyzed. Results The tumor located in the left upper quadrant between the spleen and stomach ligament, the size of 8 cm × 8 cm × 6 cm, was round, with the large curvature membrane layer closely connected, but not with the gastric cavity. Tumor was cystic, wall thickness, full of viscous material, the base of the Ministry of the bend associated with about 6 cm. Microscopic cystic mass lining the stomach mucosa, well-developed wall, followed by the mucosa, submucosa, muscularis and serosa; part of the area of carcinogenesis, pathological diagnosis of “moderately differentiated adenocarcinoma, invasion and capsule Wall serosa and gastric muscle layer. ” Conclusions Stomach duplication is a rare congenital anaphylactoid disease. Malignant tumors are rare, most of them are adenocarcinomas and a few are squamous carcinomas. In order to prevent malignant transformation, even if asymptomatic cysts should be timely surgical resection.