title: Left knee pain and bilateral knee swelling in an adolescent.
authors.affiliation: Division of Orthopaedic Surgery, The Children's Hospital of Philadelphia, 3401 Civic Center Blvd, Philadelphia, PA, 19104, USA.
authors.forename: R Justin
authors.initials: RJ
authors.lastname: Mistovich
authors.forename: Patrick O J
authors.initials: PO
authors.lastname: O'Toole
authors.forename: Nancy A
authors.initials: NA
authors.lastname: Chauvin
authors.forename: Benjamin J
authors.initials: BJ
authors.lastname: Wilkins
authors.forename: Theodore J
authors.initials: TJ
authors.lastname: Ganley
mesh_terms: D000273:Adipose Tissue / Q000473:pathology; D000293:Adolescent; D018771:Arthralgia / Q000209:etiology*; D001706:Biopsy; D004487:Edema / Q000209:etiology*; D006801:Humans; D007592:Joint Diseases / Q000150:complications / Q000175:diagnosis*; D007719:Knee Joint / Q000000981:diagnostic imaging* / Q000503:physiopathology; D008068:Lipomatosis / Q000150:complications / Q000175:diagnosis* / Q000473:pathology*; D008297:Male; D011859:Radiography; D016059:Range of Motion, Articular; D013582:Synovial Fluid / Q000166:cytology