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Papers of the Week

2022 Jun

Asian J Neurosurg



Extra-Axial Cystic Meningioma without Dural Attachment in an Adult: Case Report and Review of Literature.


Diyora B, Kukreja S, Dhal G, Devani K, Patel M, Wankhede R
Asian J Neurosurg. 2022 Jun; 17(2):173-177.
PMID: 36120614.


Intraparenchymal meningiomas, meningiomas without dural attachment, and cystic meningioma are atypical and extremely rare, especially in adults. Only four cases of intraparenchymal cystic meningioma without dural attachment have been reported. A 47-year-old female presented with an altered sensorium. She had a progressive bifrontal headache for 2 months. Computed tomography scan of the brain showed an 8 cm × 6 cm cystic lesion with a solid component in the left frontoparietal region with a midline shift. The solid part of the lesion was enhancing on contrast but the cyst rim was not. Intraoperatively, the cyst was filled with amber-colored fluid, which was drained, and the solid component was completely excised. Histopathological examination of the solid tumor component confirmed cystic meningioma. At 2 years of follow-up, she has no evidence of recurrence. We report the fifth case of this very rare entity and review the literature.