Invasive Ureaplasma infection in a pediatric patient: a case report
Abstract
BACKGROUND: Ureaplasma spp. are a rare cause of invasive disease outside of the neonatal period. Recent studies have shown that immunosuppression with B-cell depleting therapies, such as rituximab or obinutuzumab, can increase the risk of invasive infection. We present a case in which a patient receiving B-cell depleting therapy for anti-neutrophil cytoplasmic antibody-associated vasculitis and pauci-immune nephritis was diagnosed with disseminated, invasive Ureaplasma infection.
CASE SUMMARY: A 17-year-old female with documented B-cell depletion presented to the emergency department from the pediatric infectious disease clinic with persistent shoulder pain. Within the first month of admission, the patient developed multifocal abscesses with joint involvement and an echodensity resembling a possible vegetation, all of which were unresponsive to broad-spectrum antibiotics. A broad-spectrum polymerase chain reaction test detected Ureaplasma urealyticum in aspirated joint fluid from multiple anatomic sites. Clinical improvement occurred after initiation of combination therapy with intravenous doxycycline and levofloxacin.
CONCLUSION: We describe a patient with documented iatrogenic B cell depletion presenting with a disseminated, multifocal invasive Ureaplasma infection including osteoarthritis, cellulitis, and soft tissue abscess. Following a 6-week course of levofloxacin, the patient's C-reactive protein, fever, and pain resolved without further evidence of disease. This case…
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