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Ectopic parapharyngeal meningioma: diagnosis of a rare entity on FNAC

机译:异位咽旁脑膜瘤:诊断为FNAC的罕见实体

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摘要

Meningioma is a tumour most commonly located intracranially that may rarely extend extracranially. Ectopic meningioma presenting as parapharyngeal mass is a rare entity. We report a case of an 18-year-old female who presented with a complaint of swelling below the right angle of mandible associated with difficulty in swallowing for the last 3 months. The swelling measured 1.5 × 1 cm and was firm, fixed, non-pulsatile, non-transilluminant and non-tender. Computer tomography revealed a heterogenous enhancing mass with foci of calcification in parapharyngeal space without any intracranial component. Intraoral fine needle aspiration cytology was performed. A cytological diagnosis of spindle cell lesion of neural origin with the closest possibility of meningioma was rendered. Excision biopsy confirmed the diagnosis of ectopic parapharyngeal meningioma. It is important for clinicians and pathologists to be aware of this entity at the unusual site.
机译:脑膜瘤是最常见的颅内肿瘤,可能很少在颅外扩展。表现为咽旁肿块的异位脑膜瘤是一种罕见的实体。我们报告了一例18岁的女性,该女性最近3个月因吞咽困难而抱怨下颌骨直角以下肿胀。肿胀为1.5×1 cm,结实,固定,不搏动,不透光和不嫩。计算机断层扫描显示,咽旁间隙有钙化灶的异质性肿块,没有任何颅内成分。进行口内细针穿刺细胞学检查。进行了与脑膜瘤最接近的可能性的神经源性梭形细胞病变的细胞学诊断。切除活检证实了异位咽旁脑膜瘤的诊断。对于临床医生和病理学家而言,重要的是要在异常部位意识到该实体。

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