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Septic arthritis due to Mycoplasma orale in a young patient with hypogammaglobulinemia.
Liu, Aaron C; Harvey, Melissa; Lee, Alison; Hildebrand, Kyla; Hoang, Linda; Gantt, Soren; Al-Rawahi, Ghada N.
Afiliação
  • Liu AC; Department of Paediatrics, University of British Columbia and BC Children's Hospital, Vancouver, British Columbia, Canada.
  • Harvey M; Department of Paediatrics, University of British Columbia and BC Children's Hospital, Vancouver, British Columbia, Canada.
  • Lee A; Department of Paediatrics, University of British Columbia and BC Children's Hospital, Vancouver, British Columbia, Canada.
  • Hildebrand K; Department of Paediatrics, University of British Columbia and BC Children's Hospital, Vancouver, British Columbia, Canada.
  • Hoang L; Department of Pathology and Laboratory Medicine, University of British Columbia and BC Centre for Disease Control Public Health Laboratory, Vancouver, British Columbia, Canada.
  • Gantt S; Department of Microbiology, Infectiology and Immunology, Université de Montréal and CHU Sainte-Justine, Montreal, Quebec, Canada.
  • Al-Rawahi GN; Department of Pathology and Laboratory Medicine, University of British Columbia, and BC Children's Hospital, Vancouver, British Columbia, Canada.
J Assoc Med Microbiol Infect Dis Can ; 6(4): 333-336, 2021 Dec.
Article em En | MEDLINE | ID: mdl-36338458
ABSTRACT
Mycoplasma orale is an obligate intracellular bacterium usually found as a commensal in the human oral cavity. Symptomatic infections with this organism are rare, but severe disease has been described in the setting of impaired humoral immunity. Here, we describe a case in which M. orale was identified from the joint fluid of a patient with septic arthritis, splenic lesions, and agammaglobulinemia. A 15-year-old boy was admitted to the hospital with fever, progressive left knee swelling, and pain. His medical history was significant for Burkitt's lymphoma, the treatment of which had included rituximab 6 years earlier. M. orale was identified in the synovial fluid using 16S ribosomal RNA gene sequencing. He was also found to be hypogammaglobulinemic, and imaging revealed multiple splenic lesions. He was treated with doxycycline and intravenous immunoglobulin, which resulted in complete resolution of his arthritis and other symptoms. Mycoplasma species should be suspected in patients with humoral immunodeficiency and compatible findings.
Le Mycoplasma orale est une bactérie intracellulaire obligatoire généralement observée dans la flore commensale de la cavité orale. Les infections symptomatiques par ces organismes sont rares, mais une maladie grave a été décrite en cas de perturbation de l'immunité humorale. Dans le présent document, les auteurs décrivent un cas de M orale décelé dans le liquide articulaire d'un patient atteint d'arthrite septique, de lésions spléniques et d'agammaglobulinémie. Un garçon de 15 ans a été hospitalisé parce qu'il faisait de la fièvre, avait un œdème évolutif du genou gauche et de la douleur. Son histoire médicale incluait un lymphome de Burkitt, dont le traitement comprenait du rituximab six ans plus tôt. Le M orale a été décelé dans le liquide synovial au moyen du séquençage du gène d'ARN ribosomique 16S. Il était également hypogammaglobulinémique, et l'imagerie a révélé de multiples lésions spléniques. Il a reçu un traitement à la doxycycline et aux immunoglobulines intraveineuses, qui ont favorisé une résolution complète de son arthrite et de ses autres symptômes. Il faut envisager des espèces de Mycoplasma chez les patients ayant une immunodéficience humorale et des observations compatibles.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Prognostic_studies Idioma: En Revista: J Assoc Med Microbiol Infect Dis Can Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Canadá

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Prognostic_studies Idioma: En Revista: J Assoc Med Microbiol Infect Dis Can Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Canadá