文档介绍：脉络丛黄色肉芽肿
【双语病例】Choroid plexus xanthogranuloma脉络丛黄色肉芽肿来自：双语学影像 ； appreciation is extended to Dr. Ameya Nayate, University of Pennsylvania Department of Radiology, for contributing this caseHistory and RadiographsHistoryA 42-year-old man with dizziness42岁男性，头晕。Brain fluid-attenuated inversion-recovery (FLAIR) MR images are shown below.
is the abnormality?
Third ventricle 第三脑室Left frontal lobe 左侧额叶Atria of the lateral ventricle 侧脑室腔Calvarium 颅顶
is hydrocephalus（脑积水）.
TrueFalseAdditional ImagesBrain MR images without and with IV contrast are shown 、增强： is enhancement associated with the masses.
肿块有强化TrueFalseDWI and ADC imagesDiffusion-weighted image (DWI) and apparent diffusion coefficient (ADC) image are shown masses demonstrate mild restricted diffusion（弥散受限）TrueFalse
is the likely diagnosis?Choroid plexus xanthogranuloma (cysts) 脉络丛黄色肉芽肿Neurocysticercosis 脑囊虫病Choroid plexus papilloma 脉络丛乳头状瘤Intraventricular meningioma 脑室内脑膜瘤选择题答案：Atria of the lateral ventricle
FalseTrueTrueChoroid plexus xanthogranuloma (cysts)FindingsBrain MRI shows cysts in the choroid plexi in the bilateral atria of the lateral 。The cysts demonstrate mild high signal on FLAIR, restricted diffusion, and mild peripheral and central ，DWI示弥散受限、呈高信号。增强扫描病灶周边和内部轻度强化