Imaging Findings and Differential Diagnosis of Olfactory Groove Meningiomas_West China Medical Journal

Authors：

LI Dongming , DENG Kaihong , XIAO Jiahe ,  et al.

the Department of Radiology, West China Hospital, Chengdu 610041, China;

Corresponding?author：

et al., Email: qygong05@126.com

Keywords：

嗅溝; 腦膜瘤; MRI; CT

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目的:探討嗅溝腦膜瘤的影像學表現與病理組織學之間的相關關系及其鑒別診斷。方法:對11例經手術及病理證實為嗅溝腦膜瘤的患者進行回顧性分析。男5例,女6例,年齡29～59歲,平均48歲。行CT檢查3例,MRI檢查8例,均為增強掃描。分析CT、MRI影像特征,并與手術、病理結果對照。結果:瘤灶起源于顱前窩嗅溝,多數密度或信號均勻,邊界清楚,均勻增強;少數不均勻增強,大部分病例出現腦膜尾征,少數伴鈣化、壞死、囊變。鄰近顱骨受累時引起骨質增生或受侵。結論:起源于嗅溝的腦膜瘤均具有典型的影像學表現特征。嗅溝骨質及其腦膜影像改變的顯示,對瘤灶起源具有重要的定位、定性診斷價值。MRI優于CT,但CT對鈣化和骨質改變顯示優于MRI。

Citation： LI Dongming,DENG Kaihong,XIAO Jiahe,et al.. Imaging Findings and Differential Diagnosis of Olfactory Groove Meningiomas. West China Medical Journal, 2009, 24(6): 1487-1489. doi: Copy

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1. 中國人民解放軍總醫院.實用神經外科學[M].第1版.北京:中國人民解放軍戰士出版社,1978:561.
2. WELGE LUESSEN A, TEMMEL A, QUINT C, et al. Olfactory function in patients with olfactory groove meningioma[J]. J Neurol Neurosurg Psychiatry,2001,70(2):218-221.
3. 趙雅度,王碩.嗅溝腦膜瘤[J].中華神經外科雜志,1992,8:239-241.
4. ENGELHARD H H. Progress in the diagnosis and treatment of patients with meningioma. Part Ⅰ: Diagnosis imaging, preoperative embolization[J]. Surg Neurol,2001,55:89-101.
5. MAIURI F, IACONETTA G, DE DIVITIIS O, et al. Intracranial meningiomas: correlations between MR imaging and histology[J]. Eur J Radiol,1999,31:69-75.
6. NAKAU H, MIYAZAWA T, TAMAI S, et al. Pathologic significance of meningeal enhancement (“flare sign”) of meningiomas on MRI[J]. Surg Neurol,1997,48:584-590.
7. HENTSCHEL S J, DEMONTE F. Olfactory groove meningiomas[J]. Neurosurg Focus,2003,14(6):e4.

West China Medical Journal

Imaging Findings and Differential Diagnosis of Olfactory Groove Meningiomas

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