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뇌전산화단층촬영에서 완전 석회화 종양으로 오인한 두개강내 사종성 수막종 -증례보고-
김현우 ( Hyun Woo Kim ),김충현 ( Choong Hyun Kim ),양문술 ( Mun Sul Yang ),정진환 ( Jin Hwan Cheong ),김재민 ( Jae Min Kim ) 대한뇌종양학회·대한신경종양학회·대한소아뇌종양학회 2011 대한뇌종양학회지 Vol.10 No.1
Meningioma is one of the most frequently encountered brain tumors and it constitutes 10 to 20% of intracranial tumors of adults. Meningioma may also include focal calcified components. However, there have been few case reports on meningioma with totally calcified components. We report an uncommon case of totally calcified meningioma without any bony involvements. A 49-year-old woman presented to emergency room with head trauma. Brain computed tomography (CT) scans revealed an extra-axial mass which was totally calcified. The mass size was 3.2×2.3×2.6 cm and located in the paramedian convexity of the right parietal region. Brain CT and magnetic resonance (MR) imaging features suggested a well-demarcated round structure with mostly calcified components. She underwent the tumor removal and the final pathology was consistent with the psammomatous meningioma. This case report emphasizes the importance of meticulous observation of preoperative neuroimaging studies and also discusses the pertinent literatures.