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胎盘血管瘤是少见的病例,它是一种良性毛细血管瘤,其来源由绒毛间质中一部分胎盘血管瘤之组织与正常绒毛膜间质相类似,有时血管极度增生,有时结缔组织较为显著,因其组成部分的比例及其分化程度的不同给以不同的名称。一,以无数毛细血管为主——称毛细血管型血管瘤,如例二。二、以血管窦为主——称海绵状血管瘤,如例一、例三是前二者兼有故称混合型血管瘤。三、结缔组织较多——称纤维血管瘤。尚有一种脐带血管瘤伴有大量成堆的华通氏胶组织——称粘液血管瘤。
Placental hemangioma is a rare case, it is a benign capillary hemangioma, the source from the villi interstitial part of placental hemangioma tissue and normal chorionic stroma similar, and sometimes vascular hyperplasia, and sometimes more significant connective tissue, Due to the different proportions of its components and the degree of differentiation, different names are given. First, to countless capillaries - called capillary angioma, as in Example II. Second, the main vascular sinus - cavernous hemangioma, such as cases, for example, the first three cases are both formerly known as mixed hemangiomas. Third, more connective tissue - called fibrovascular tumors. There is also a large number of umbilical hemangiomas with Huatong’s gum tissue - called mucinous hemangiomas.