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Abstract：
Primary ectopic meningiomas of the nasal cavity are rare tumours and thus, often not diagnosed and treated properly. In this case report we are going to discuss about our experience with a primary nasal meningioma involving bilateral nasal cavity with its diagnosis, management and histopathological features. A 28 year old female presented with nasal obstruction and nasal discharge for the past 1 year and swelling over right side of face for the past 8 months. Patient underwent surgical resection by a combined endoscopic and external approach under general anaesthesia. Histopathological evaluation confirmed the diagnosis of Transitional meningioma WHO grade 1. A repeat nasal endoscopy done one week after surgery, showed no evidence of any residual tumour. Due to ectopic meningiomas being relatively less common one must always exclude the presence of a central meningioma, which makes radiological investigations a must in such cases. As primary extra-cranial meningiomas have an unpredictable behaviour, this study should further aid in diagnosis and management of these tumours.
摘要：
鼻腔的原发性异位脑膜瘤是罕见的肿瘤，因此，经常不能正确诊断和治疗。在这个病例报告中，我们将讨论我们对涉及双侧鼻腔的原发性鼻脑膜瘤的诊断经验，管理和组织病理学特征。一名28岁女性在过去1年中出现鼻塞和鼻涕，在过去8个月中右侧面部肿胀。患者在全身麻醉下通过内窥镜和外部方法联合进行手术切除。组织病理学评估证实了WHO1级移行性脑膜瘤的诊断。手术后一周重复鼻内窥镜检查，没有显示任何残留肿瘤的证据。由于异位脑膜瘤相对较不常见，因此必须始终排除中央脑膜瘤的存在，这使得放射性调查在这种情况下是必须的。由于原发性脑膜瘤具有不可预测的行为，本研究应进一步帮助这些肿瘤的诊断和治疗.
