后肾腺瘤的 CT 特征：病例报告及文献复习。
CT features of metanephric adenoma: a case report and review of the literature.
机构信息
Department of Radiology, Shenzhen People's Hospital, Jinan University Second Clinical Medicine College, Shenzhen 518020, China.
出版信息
Quant Imaging Med Surg. 2014 Dec;4(6):505-8. doi: 10.3978/j.issn.2223-4292.2014.07.04.
Abstract
Metanephric adenoma (MA) is an extremely rare, benign neoplasm of the kidney. Ultrasound and computed tomography (CT) features of a case of MA in a 49-year-old woman were presented in this paper to enrich imaging manifestations of this rare entity. At plane CT, a solid mass with calcification spots was noted. After iv contrast agency, the mass showed slight irregular peripheral enhancement in the corticomedullary phase, which was obviously lower than surrounding renal cortex. Slowly filling-in was noticed in the nephrographic phase with irregular necrosis.
摘要
后肾腺瘤（MA）是一种极为罕见的肾脏良性肿瘤。本文报道了 1 例 49 岁女性 MA 的病例，旨在丰富该罕见病变的影像学表现。平扫 CT 示混杂密度肿块，内见斑点状钙化。增强扫描皮质期肿块呈轻度不规则周边强化，实质期呈不均匀延迟强化伴边缘不规则坏死，强化程度低于周围肾皮质。
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