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摘要


2個月以下嬰幼兒的顱內腫瘤為罕見病例,與孩童腫瘤有所不同,其好發於天幕上(supratentorium), 其中畸胎瘤(teratoma)占大多數。臨床上常以厭食、倦怠、發育不良……等非特定性症狀表現,往往不易早期診斷。近來因腦部超音波及電腦斷層婦描的發展,使這個難題迎刃而解。臺大醫院小兒科於1981年至1982年間,以腦部超音波發現三例新生兒顱內腫瘤,再以電腦斷層掃描確定,後經病理證實為兩例畸胎瘤(其中一例腦瘤位於天幕上腦中線往置,另一例之腦瘤位於天幕下),一例為第四腦室脈絡叢乳頭瘤(choroid plexus papilloma),特提出報告,並參考文獻加以討論。

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並列摘要


Brain tumors verified under 2 months of age are very rare. These tumors are often located in supratentorium, and most of them arise from central neural axis, the deep portion of the brain. Teratoma is the most common histological type. Because of the absence of specific symptoms and signs except hydrocephalus in the late stage, early diagnosis is often difficult. We present 3 cases of neonatal brain tumor, two teratoma (one occupies half the whole cranium, the other located in infratentorium) and one choroid plexus papilloma arised from the 4th ventricle, diagnosed by brain ultrasonography and brain CT and confirmed by pathology. The related literatures are also reviewed.

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