- 期刊
Trigeminal Neurinoma Presenting as Intratumoral Hemorrhage - Case Report
三叉神經鞘瘤併腫瘤內出血－一病例報告
摘要
三叉神經鞘瘤僅顱內腫瘤的0.07% 侄0.33%。而其中出現腫瘤內出血的病例更是少見。在這裡我們提出一例三叉神經鞘瘤併腫瘤內出上的病例報告，他們臨床症狀以突發性的頭痛、嗜睡及嘔吐表現，腦部電腦斷層攝影顯示在左側小腦橋腦角有一腫瘤併腫瘤內有局部高密度區，磁振掃瞄顯示在T1及T2是hyperin-tensity，且在T2可以見到腫瘤住中顱窩延伸，腫瘤大約3.0×3.0×2.5cm.手術中腫瘤全切除，且病組織是神經鞘瘤併有豐富及膨脹的血管，且可見到血鐵質。腫瘤大小，豐富的血管及血管病變是引起腫瘤內出血的重要因素。
關鍵字
無資料並列摘要
Neurinomas of trigeminal nerve are rare intracranial tumors and spontaneous intratumoral hemorrhage occurred exceedingly rarely in them. Herein, we report one case of trigeminal neurinoma presenting spontaneous intratumoral hemorrhage. Presenting symptoms were headace, lethargy and vomiting of sudden onset. Unenhanced computed tomography scans showed a high density mass in the left cerebello-pontine angle cistern. On magnetic resonance images, they revealed hyperintensity on both T1-and T2-weighted images. A left retromastoid suboccipital craniectomy was performed and nearly total tumor removal was achieved, histologically, increased vasculatity, dilated vessels and hemosiderin were observed in the specimen. Tumor size, hypervascularity and vascular change are important factors for hemorrhage.
延伸閱讀
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