title: A 15-year-old girl with a right leg mass.
authors.affiliation: Department of Radiology, State University of New York Health Science Center at Syracuse, 13210.
authors.forename: D S
authors.initials: DS
authors.lastname: Katz
authors.forename: C J
authors.initials: CJ
authors.lastname: Vaughn
authors.forename: A M
authors.initials: AM
authors.lastname: Goldschmidt
authors.forename: B
authors.initials: B
authors.lastname: Markarian
authors.forename: E D
authors.initials: ED
authors.lastname: Santelli
authors.forename: Z D
authors.initials: ZD
authors.lastname: Grossman
mesh_terms: D000293:Adolescent; D017885:Collateral Ligaments / Q000473:pathology; D003937:Diagnosis, Differential; D005260:Female; D005269:Femur / Q000473:pathology; D006801:Humans; D007717:Knee / Q000473:pathology*; D007719:Knee Joint / Q000473:pathology; D008279:Magnetic Resonance Imaging; D013584:Sarcoma, Synovial / Q000175:diagnosis* / Q000473:pathology; D012983:Soft Tissue Neoplasms / Q000175:diagnosis* / Q000473:pathology