title: Lymphoma of unknown origin located in paravertebral muscles: an unusual cause of low back pain in children.
abstract: The authors report a case of an adolescent with a poorly differentiated lymphoma of unknown origin located at paravertebral muscles, whose presently symptom was low back pain.
authors.affiliation: Disciplina de Reumatologia, Universidade Federal de São Paulo.
authors.forename: R E
authors.initials: RE
authors.lastname: Diniz
authors.forename: J
authors.initials: J
authors.lastname: Goldenberg
authors.forename: J C
authors.initials: JC
authors.lastname: de Carvalho
authors.forename: C E
authors.initials: CE
authors.lastname: Gomes
authors.forename: E D
authors.initials: ED
authors.lastname: Goldenberg
authors.forename: A
authors.initials: A
authors.lastname: Sementille
mesh_terms: D002648:Child; D006801:Humans; D015451:Leukemia, Lymphocytic, Chronic, B-Cell / Q000150:complications / Q000175:diagnosis*; D017116:Low Back Pain / Q000209:etiology; D008297:Male; D019042:Muscle Neoplasms / Q000150:complications / Q000175:diagnosis*; D018482:Muscle, Skeletal; D014057:Tomography, X-Ray Computed