一名 40 岁男性，脑室中有肿瘤。结合性室管膜下瘤和室管膜瘤。
A 40-year-old male with an intraventricular tumor. Combined tanycytic ependymoma and subependymoma.
机构信息
Department of Pathology, Rush University Medical Center, Chicago, IL, USA.
出版信息
Brain Pathol. 2013 May;23(3):359-60. doi: 10.1111/bpa.12054.
Abstract
Combined tumors showing histologic features of both ependymoma and subependymoma have been described. In this report we present a case of combined tanycytic ependymoma with foci of subependymoma (WHO grade II), occurring in a 40 year-old male, which arose in the wall of the lateral ventricle. The tanycytic ependymoma component showed elongated fibrillary cells with a fascicular pattern of growth, while the subependymoma component showed clustered cell bodies surrounded by a fibrillary stroma with a microcystic appearance.We consider the present case to be an unusual example of tanycytic ependymoma; which to the best of our knowledge has not been associated with a subependymoma.
摘要
已经描述了同时具有室管膜瘤和室管膜下瘤组织学特征的联合性肿瘤。在本报告中，我们介绍了一例发生于 40 岁男性的侧脑室壁的伴局灶性室管膜下瘤（WHO 分级 II）的弥漫性血管外皮细胞瘤，其室管膜瘤成分表现为具有束状生长方式的长梭形纤维细胞，而室管膜下瘤成分则表现为簇状细胞体，周围为纤维状基质，呈微囊状外观。我们认为本例是弥漫性血管外皮细胞瘤的一个不典型例子；据我们所知，它与室管膜下瘤无关。
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