title: [Systemic lupus erythematosus and weakness].
abstract: We report a case of a 13-year old young girl, with Juvenile Systemic Lupus Erythematosus and recent onset of muscle weakness. Investigations lead to the diagnosis of Myasthenia Gravis. The most important causes of muscle weakness in lupus patients are discussed.
authors.affiliation: Serviço de Reumatologia do Hospital Garcia de Orta, Almada. filipevinagre@netcabo.pt
authors.forename: Filipe
authors.initials: F
authors.lastname: Vinagre
authors.forename: Maria José
authors.initials: MJ
authors.lastname: Santos
authors.forename: José Canas
authors.initials: JC
authors.lastname: da Silva
mesh_terms: D000293:Adolescent; D005260:Female; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000150:complications*; D018908:Muscle Weakness / Q000209:etiology*; D009157:Myasthenia Gravis / Q000175:diagnosis* / Q000209:etiology*