Communicating hydrocephalus after resection of a meningioma ventral to the foramen magnum

Kowashi Taki, Koshi Ninomiya, Akihiro Yamamoto, Takuya Suematsu, Manabu Sasaki, Haruhiko Kishima
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Abstract

Tumors in or near the foramen magnum may cause communicating or non-communicating hydrocephalus (HC), depending on their size and location. Here, an 81-year-old female developed communicating HC following the resection of a meningioma ventral to the foramen magnum. An 81-year-old female presented with numbness in the left neck and left hemiparesis. The magnetic resonance revealed an 18-mm tumor ventral to the foramen magnum that significantly enlarged over the past 6 months. She underwent total tumor resection but then presented with progressive HC both clinically (i.e., instability of gait with confusion) and radiographically (computed tomography). Following placement of a lumboperitoneal (LP) shunt, symptoms markedly improved. Further, the cerebrospinal fluid (CSF) analysis showed elevated cell counts and protein concentrations, indicating likely “leakage” of intratumoral contents postoperatively contributing to the progressive HC. Patients presenting with acute meningiomas ventral to the foramen magnum may develop postoperative communicating HC attributed to tumor-related CSF leakage of necrotic intratumoral components that can be successfully treated with a LP shunt.
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枕骨大孔腹侧脑膜瘤切除术后的交流性脑积水
根据肿瘤的大小和位置,位于或靠近枕骨大孔的肿瘤可能导致交流性或非交流性脑积水(HC)。在这里,一位81岁的女性在切除了位于枕骨大孔腹侧的脑膜瘤后,出现了交流性脑积水。磁共振检查显示,枕骨大孔腹侧有一个 18 毫米的肿瘤,在过去 6 个月中明显增大。她接受了肿瘤全切除术,但随后在临床(即步态不稳并伴有意识模糊)和影像学(计算机断层扫描)上都出现了渐进性头痛。接受腰腹腔分流术后,症状明显好转。此外,脑脊液(CSF)分析显示细胞计数和蛋白质浓度升高,表明可能是术后瘤内内容物 "渗漏 "导致了进行性脑脊髓膜炎。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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CiteScore
1.30
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623
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