title: Progressive limitation of knee flexion secondary to an accessory quinticeps femoris muscle in a child: a case report and literature review.
abstract: We describe a symptomatic, progressive restriction of knee flexion due to an accessory quadriceps femoris in a nine-year-old girl. There was no history or findings of post-injection fibrosis, nor any obvious swelling of the affected quadriceps. At arthroscopy no intra-articular pathology was found. An accessory 'quinticeps femoris' was diagnosed by ultrasonography and MRI. Following excision of the muscle and tendon full flexion of the knee was regained and there was no recurrence of the contracture.
authors: Centre Hospitalier de Nouméa Nouvelle-Calédonie, Service de chirurgie orthopédique, BP J5 98849 Noumea, New Caledonia, France. jl.labbe@cht.nc
authors: J-L
authors: JL
authors: Labbé
authors: O
authors: O
authors: Peres
authors: O
authors: O
authors: Leclair
authors: R
authors: R
authors: Goulon
authors: P
authors: P
authors: Scemama
authors: F
authors: F
authors: Jourdel
authors: B
authors: B
authors: Duparc
mesh_terms: D002648:Child; D003286:Contracture / Q000175:diagnosis* / Q000209:etiology; D018450:Disease Progression; D005260:Female; D006801:Humans; D007719:Knee Joint / Q000000981:diagnostic imaging / Q000473:pathology / Q000503:physiopathology*; D008279:Magnetic Resonance Imaging; D052097:Quadriceps Muscle / Q000002:abnormalities* / Q000000981:diagnostic imaging; D016059:Range of Motion, Articular / Q000502:physiology*; D014463:Ultrasonography