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  • Title: Solitary fibrous tumor/hemangiopericytoma of the optic canal.
    Author: Singh V, Gupta K, Singh AP, Salunke P.
    Journal: Clin Neuropathol; 2019; 38(2):74-79. PubMed ID: 30499771.
    Abstract:
    Solitary fibrous tumor/hemangiopericytoma seldom arises from the optic nerve sheath. Herein, we describe the clinical, radiological, and histological findings of a solitary fibrous tumor/hemangiopericytoma arising from the optic nerve sheath and occupying the optic canal. The diagnosis is challenging both clinically and histologically as it clinically simulates a commoner lesion, i.e., an optic nerve sheath meningioma, and histological features can be mistaken for a fibroblastic/transitional meningioma. Differentiating these lesions from meningioma is crucial both for therapeutic and prognostic reasons. Moreover, hemangiopericytoma with high-grade features arising within the brain is known to develop extracranial metastases, and hence warrants a close follow-up.
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