ArticleSurgical neurology international2026
A rare combination of a meningioma and an ethmoidal meningoencephalocele with osteo-dural defect: Diagnostic and therapeutic challenges.
Article in Surgical neurology international, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Meningiomas are common, benign intracranial tumors, while meningoencephaloceles are rare congenital or acquired anomalies commonly associated with a dural defect. Their association is exceptional and poses a diagnostic and therapeutic challenge. Case Description: We present a case of a 35-year-old female patient who presented with chronic headaches, blindness, and decreased hearing for 2 years. An Ear-Nose-Throat (ENT) examination revealed a right endonasal mass on nasofibroscopy. Brain magnetic resonance imaging showed a large right temporo-parietal lesion with features suggestive of a meningioma, and a right endonasal lesion extending into the frontal lobe through a bone defect in the ethmoid bone, suggesting a meningoencephalocele. The meningioma was surgically excised (Simpson II), and histo-pathology confirmed a World Health Organization grade I meningothelial meningioma. Three months after surgery, the patient presented with right rhino-liquorrhea, and a decision to endoscopically treat the meningo-encephalocele was made, as well as repair the dural defect in ENT. The postoperative period was marked by failure of the dural closure, evidenced by the appearance of a compressive pneumocephalus and Conclusion: The association of a meningioma with a meningoencephalocele is extremely rare. The persistence of a dural defect exposes the patient to serious infectious complications. This case illustrates the complexity of managing such a combination and highlights the importance of early diagnosis, rigorous follow-up, and effective repair of any dural defect.
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