Solitary Fibrous Tumor/Hemangiopericytoma: A Companion Case Discussion of a Spectrum of Rare CNS Mesenchymal Tumors and Their Evolving WHO Classification
The combined term solitary fibrous tumor/hemangiopericytoma was recently introduced in the World Health Organization Classification of Tumors of the Central Nervous System 2016 revision. The consolidation came amid mounting evidence that these 2 mesenchymal tumors are closely related,
or even identical, entities. These neoplasms demonstrate significant clinical and demographic overlap, often indistinguishable imaging features, and a shared nerve growth factor inducible-A-binding protein 2/signal transducer and activator of transcription 6 gene fusion. We presented 2 cases
of this uncommon entity and discussed its evolving tumor classification.
Keywords: ECA = external carotid artery; HPC = hemangiopericytoma; MMA = middle meningeal artery; NAB2 = nerve growth factor inducible-A-binding protein 2; SFT = solitary fibrous tumor; STA = superficial temporal artery; STAT6 = signal transducer and activator of transcription 6; WHO = World Health Organization
Document Type: Research Article
Publication date: 01 June 2018
- Neurographics is the peer-reviewed, quarterly educational journal of the American Society of Neuroradiology. The journal includes review articles as well as high-yield case reports that have been solicited from society meetings, including the annual meeting of the ASNR as well as the American Society of Spine Radiology, the American Society of Pediatric Neuroradiology, the American Society of Functional Neuroradiology, and the American Society of Head and Neck Radiology meetings. Unsolicited educational review articles and case reports are also accepted for review at the discretion of the Editor-in-Chief. Submissions focusing on a pictorial approach to educational objectives are highly encouraged. The journal is open access and available online. CME credit is offered for reading review articles and completing activity evaluations through the ASNR Education Connection website: https://www.pathlms.com/asnr
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