Resumen

SILVA, Ana M  y  SCHMALBACH, Lauwence A. Psoas abscess and lumbar spine osteomyelitis: Case report. Arch. argent. pediatr. [online]. 2016, vol.114, n.5, pp.e333-e337. ISSN 0325-0075.  http://dx.doi.org/10.5546/aap.2016.e333.

Psoas abscess is a common disease in children. It can have a nonspecific clinical presentation, insidious onset and sometimes fever. The most common type in children is the primary one; however, it can sometimes be of secondary origin and associated with severe infections such as osteomyelitis so a high index of suspicion is required to detect and treat it promptly. We present an unusual case of psoas abscess with infiltration of the vertebral body of L2 in a 14 year old male patient previously healthy with no history of trauma or fever on admission. X-ray and ultrasound were performed but the diagnosis was confirmed by magnetic resonance imaging of the lumbosacral spine. With positive blood cultures for methicillin-resistant Staphylococcus aureus he completed 2 weeks of intravenous antibiotic therapy and 4 weeks of oral antibiotic therapy with blood cultures negativization and resolution of symptoms.

Palabras clave : Psoas abscess; Spine osteomyelitis; Low back pain; Limp; Fever.

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