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Cystic change in primary paediatric optic nerve sheath meningioma
Daniel Narayan1, Saul Rajak2, Sandy Patel2
1a South Australian Institute of Ophthalmology and Discipline of Ophthalmology and Visual Sciences , University of Adelaide , Adelaide , South Australia , Australia.
Abstract:
Primary optic nerve sheath meningiomas (PONSM) are rare in children. Cystic meningiomas are an uncommon subgroup of meningiomas. We report a case of paediatric PONSM managed using observation alone that underwent cystic change and radiological regression. A 5-year-old girl presented with visual impairment and proptosis. Magnetic resonance (MR) imaging demonstrated a PONSM. The patient was left untreated and followed up with regular MR imaging. Repeat imaging at 16 years of age showed the tumour had started to develop cystic change. Repeat imaging at 21 years of age showed the tumour had decreased in size.
