Kaposi肉瘤:多发生于有免疫缺陷的患者,罕见于婴幼儿,梭形血管内皮细胞可以胞浆内外的透明小体,无毛细血管瘤样区域;免疫组化染色表达HHV8;
婴幼儿细胞性毛细血管瘤:无梭形细胞区域,无血管瘤样结构,无红细胞外渗和含铁血黄素沉积;内皮细胞表达GLUT1。
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2. Lyons LL, North PE, Mac-Moune Lai F, et al. Kaposiform hemangioendothelioma: a study of 33 cases emphasizing its pathologic, immunophenotypic, and biologic uniqueness from juvenile hemangioma. Am J Surg Pathol 2004; 28: 559–68.