垂体后叶星形细胞瘤：一种罕见的神经垂体肿瘤：病例报告
Posterior pituitary astrocytoma: a rare tumor of the neurohypophysis: a case report.
作者信息
Shah Basil, Lipper Maurice H, Laws Edward R, Lopes M Beatriz, Spellman Michael J
机构信息
Department of Radiology, Division of Neuroradiology, University of Virginia Health Systems, Charlottesville, VA 22908, USA.
出版信息
AJNR Am J Neuroradiol. 2005 Aug;26(7):1858-61.
Abstract
Astrocytoma, or pituicytoma, of the posterior pituitary is a relatively rare entity consisting of poorly characterized glial tumor cells. We report two cases of posterior pituitary astrocytomas in middle-aged women presenting as focal lesions of the neurohypophysis. A review of the literature reveals only a few reports of this tumor, and there has been scanty discussion of the imaging findings of posterior pituitary astrocytomas compared with lesions of the anterior pituitary gland. This report reviews the clinical characteristics and imaging findings and discusses the differential diagnosis of these two cases.
摘要
垂体后叶的星形细胞瘤或垂体细胞瘤是一种相对罕见的疾病，由特征不明确的神经胶质肿瘤细胞组成。我们报告两例中年女性垂体后叶星形细胞瘤，表现为神经垂体的局灶性病变。文献回顾显示关于该肿瘤的报道较少，与垂体前叶病变相比，关于垂体后叶星形细胞瘤影像学表现的讨论也很少。本报告回顾了这两例病例的临床特征和影像学表现，并讨论了鉴别诊断。
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