Zheng Kai, Mao Bo-yong, Ma Lu, Jiang Shu
Department of Neurological Surgery, West China Hospital, Sichuan University, Chengdu, PRC.
Neurol Med Chir (Tokyo). 2010;50(3):254-6. doi: 10.2176/nmc.50.254.
A 32-year-old, right-handed man presented with chronic headache persisting for the past 5 years. On admission, neurological examination revealed mild papilledema and bitemporal defects of the visual fields. Computed tomography showed a hypodense lesion in the suprasellar region. Magnetic resonance imaging revealed a 2.2 x 2.4 x 2.5-cm heterogeneously hyperintense lesion in the suprasellar region and an infarct region in the right basal ganglia on the T(1)- and T(2)-weighted images. The lesion was subtotally removed because part of the capsule was tightly adherent to important surrounding neurovascular structures. Histological analysis confirmed the diagnosis of dermoid cyst. Ruptured intracranial dermoid cyst may manifest as infarction in the basal ganglia caused by localized arterial inflammatory reaction combined with compression of the right internal carotid artery.
一名32岁的右利手男性，出现慢性头痛，持续了5年。入院时，神经系统检查发现轻度视乳头水肿和双颞侧视野缺损。计算机断层扫描显示鞍上区域有一个低密度病变。磁共振成像显示，在T1加权和T2加权图像上，鞍上区域有一个2.2×2.4×2.5厘米的不均匀高信号病变，右侧基底节有一个梗死区域。由于部分囊壁与周围重要神经血管结构紧密粘连，病变被次全切除。组织学分析确诊为皮样囊肿。破裂的颅内皮样囊肿可能表现为基底节梗死，这是由局部动脉炎症反应合并右侧颈内动脉受压所致。
