title: Pathology quiz case 1. Soft-tissue perineurioma.
authors.affiliation: University of Texas Southwestern Medical Center, Dallas, USA.
authors.forename: Sean
authors.initials: S
authors.lastname: Callahan
authors.forename: Seckin O
authors.initials: SO
authors.lastname: Ulualp
authors.forename: Sandy
authors.initials: S
authors.lastname: Cope-Yokoyama
mesh_terms: D000293:Adolescent; D003937:Diagnosis, Differential; D005260:Female; D006258:Head and Neck Neoplasms / Q000473:pathology* / Q000601:surgery; D006801:Humans; D007150:Immunohistochemistry; D008279:Magnetic Resonance Imaging; D018317:Nerve Sheath Neoplasms / Q000473:pathology* / Q000601:surgery; D009442:Neurilemmoma / Q000473:pathology* / Q000601:surgery; D012983:Soft Tissue Neoplasms / Q000473:pathology* / Q000601:surgery