小肠血管瘤6例报道及误诊原因分析

Hemangioma of small intestine: six cases report and review of literatures

目的分析小肠血管瘤的临床及病理组织学特征。方法运用光镜及免疫组化技术观察6例小肠血管瘤,同时复习相关文献。结果6例小肠血管瘤中,男性4例,女性2例;平均年龄31岁。消化道出血2例,腹痛2例,腹部包块1例,肠梗阻1例;术前仅有1例拟诊血管瘤,误诊5例;6例手术治疗,均痊愈,其中毛细血管瘤1例,海绵状血管瘤3例,混合型2例。免疫组化示CD34、Ⅷ因子、actin、SMA和Vim(+),CK(-)。结论小肠血管瘤是一种比较少见的小肠良性肿瘤,容易误诊,但若能确诊,手术治疗预后很好。

Purpose To analyze the clinical and pathologic featuers of hemangioma of the small intestine. Methods The six cases of hemangioma of the small intestine were studied by using histochemistry and immunohistochemistry technology, with review of the relevant literatures. Results In six cases of hemangioma of the small intestine, four were male, and other two were female; the average age was 31 years; two cases had the alimentary canal haemorrhage, two cases with bellyache, one case with abdominal mass, and one case with ileus; before operation, one case was diagnosed, and other five were misdiagnosed; six cases were operated, all healing; one case was capillary hemangioma, three cases were spongy hemangioma, and other two were the complex type of the former two; The tumor was positive for CD34, FatorⅧ, actin, SMA, Vim, and negative CK. Conclusion Hemangioma of the samll intestine is a rare benign tumor, and it is likely misdiagnosed. The result of operation is favorable after diagnosis.