Abstract
Purpose: To highlight the clinical and neuro-imaging patterns of Meningiomas ofvisual pathway.Materials and Methods: It was a descriptive retrospective study conductedduring 2007 to 2013. 94 patients with intra cranial Meningiomas affecting thevisual pathway were selected for study. Clinical data included history, ocular andsystemic examinations and neuro-imaging reports. Special attention was givento the neurological data, which was the only source available to us fordiagnosing Meningiomas. Histological confirmation of Meningioma was availablein 9.6% cases (n = 9).Results: Ninety – four patients, 51 females and 43 males (female: male ratio,1.19:1) were included in the study. Mean age was 48.23 years. The commonesttype of Meningioma affecting visual pathway was Meningioma of inner table ofoccipital bone causing mass effects on the occipital lobe (30.85%, n = 29). OtherMeningiomas were Parasellar (21.3%, n = 20) and supra sellar Meningiomas(18.1%, n = 17) pressing upon optic chiasma. Tumor size ranged from 0.7 cm to8.5 cm in smallest and largest dimensions respectively. Only one patient in ourseries had neurofibromatosis type 1 and one patient had neurofibromatosis type2.Conclusion: Neuro-imaging including conventional radiology plays a pivotal rolein non-interventional diagnosis of intracranial Meningiomas. Owing to the benignnature of Meningioma, it should be differentiated from other aggressive tumorswhich need to be diagnosed and treated at the earliest.Key words: Parasellar Meningiomas, Supra sellar Meningiomas, visualpathway, Dural tail sign, Neuro-imaging
Tayyaba Gul Malik, Khalid Farooq, Muhammad Khalil. (2015) Clinical and Neuro-imaging Patterns of Meningiomas of Visual Pathway, Pakistan Journal of Ophthalmology, Volume 31, Issue 2.
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