title: Intraarticular nodular fasciitis causing limitation of knee extension: a case report.
abstract: We report a patient with intraarticular nodular fasciitis who developed mechanical symptoms in the knee, limiting knee extension. A 24 year-old man presented with mechanical restriction of extension and pain at maximum extension. MRI revealed an intraarticular mass within the knee joint. The mass was excised arthroscopically. Histological examination of the excised tissue led to a diagnosis of nodular fasciitis. Pain and limitation of motion of the knee disappeared from one day after surgery. No recurrence was found after 1 year. Intraarticular nodular fasciitis is rare, and although this lesion within the knee has been reported previously, it has not been associated with mechanical symptoms. This case indicates that intra-articular fasciitis should be considered in the differential diagnosis of a patient presenting with mechanical limitation of knee extension and a mass lesion inside the knee joint.
authors: The Sports Medicine and Knee Center, Kofu National Hospital, 11-35 Tenjin-cho, Kofu, Yamanashi 400-8533, Japan. tmhagino@amber.plala.or.jp
authors: Tetsuo
authors: T
authors: Hagino
authors: Satoshi
authors: S
authors: Ochiai
authors: Eiichi
authors: E
authors: Sato
authors: Yoshiyuki
authors: Y
authors: Watanabe
authors: Shinya
authors: S
authors: Senga
authors: Tetsuo
authors: T
authors: Kondo
authors: Hirotaka
authors: H
authors: Haro
mesh_terms: D005208:Fasciitis / Q000473:pathology* / Q000503:physiopathology / Q000601:surgery; D006801:Humans; D007592:Joint Diseases / Q000473:pathology* / Q000503:physiopathology / Q000601:surgery; D007719:Knee Joint / Q000473:pathology* / Q000503:physiopathology / Q000601:surgery; D008279:Magnetic Resonance Imaging; D008297:Male; D010146:Pain / Q000503:physiopathology / Q000601:surgery; D016059:Range of Motion, Articular / Q000502:physiology*; D020127:Recovery of Function; D016896:Treatment Outcome; D055815:Young Adult