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Intracranial Dermoid Cyst with Hypodense and Hyperdense Contents: A Rare Computed Tomographic Feature

含高及低濃度的顱內皮樣細胞瘤:一例罕見的電腦斷層影像

摘要


一位17歲男孩因頭部外傷,被意外發現後顱窩小腦蚓部有一腫瘤,它包含三種成份,即CT高密度部份、低密度部份及鈣化。手術及病理證實這是一個皮樣細胞瘤,低密度部份是一般合蠟燭狀物質的典型皮樣囊腫,高密度部份合濃稠液體,是罕見的皮樣囊腫,像這樣一個皮樣囊腫含有兩種不同成份,是很罕見的。

並列摘要


A 17-year-old boy suffering from a head injury in a motorcycle accident was admitted to our hospital. Computer tomography (CT) revealed a small acute subdural hematoma and a 5cmx3cmx3.5cm mass which contained both hypodense and hyperdense components over the cerebellar vermis. Under the impression of cerebellar hemorrhage, the mass was removed via a craniotomy. The pathological diagnosis was an intracranial dermoid cyst. The hypodense portion shown in CT scan was revealed to be a keratinous waxy substance and that had hyperdensity was brown viscous fluid.

並列關鍵字

computed tomography dermoid cyst

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