title: Knee pain in a 20-year-old-woman.
authors.affiliation: Orthopaedic Oncology, Hahnemann Orthopaedics, Philadelphia, PA, USA.
authors.forename: S M
authors.initials: SM
authors.lastname: Horowitz
authors.forename: R E
authors.initials: RE
authors.lastname: Epstein
authors.forename: M K
authors.initials: MK
authors.lastname: Dalinka
authors.forename: G
authors.initials: G
authors.lastname: Ayala
mesh_terms: D000328:Adult; D005260:Female; D006391:Hemangioma / Q000150:complications / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D007717:Knee; D008279:Magnetic Resonance Imaging; D010146:Pain / Q000209:etiology*; D012983:Soft Tissue Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000473:pathology