Osteomyelitis and pyoarthritis resulting from local paracoccidioidomycosis in an immunocompetent patient: a case report
1 Radiology, Hospital do Servidor Público Estadual (HSPE/IAMSPE), São Paulo, SP, Brasil
2 Fundação Instituto de Diagnóstico por Imagem (FIDI) at the Hospital do Servidor Público Estadual (HSPE/IAMSPE), São Paulo, Brasil
3 Rua Dr. Gabriel dos Santos, 179 apto 41, Bairro Santa Cecília, CEP 01231-011, São Paulo, SP, Brasil
4 Pediatrics, Hospital do Servidor Público Estadual (HSPE/IAMSPE), São Paulo, SP, Brasil
Journal of Medical Case Reports 2012, 6:342 doi:10.1186/1752-1947-6-342Published: 8 October 2012
Paracoccidioidomycosis is a type of mycosis that is endemic to Brazil and is triggered by the fungus Paracoccidioides brasiliensis. Isolated bone involvement in this disease is very rare, especially in children. To the best of our knowledge this report documents the first case of an immunocompetent pediatric patient in which paracoccidioidomycosis of the hip articulation was the sole manifestation of the disease (that is, there were no pulmonary or skin lesions).
An 11-year-old Brazilian Caucasian boy from a rural area was examined in the orthopedic ward of our emergency department. Our patient reported a three-month history of pain in the right hip with intermittent claudication and also complained of recurring episodes of intense pain and an inability to walk, which he had been experiencing for the previous five days. He additionally presented with a fever that had persisted for two days. Our patient’s medical history did not include any clinical respiratory manifestations, skin lesions, history of trauma or immunosuppression risk factors.
This is one of the very few reported cases of isolated articular involvement in osteomyelitis in a pediatric immunocompetent patient. Paracoccidioidomycosis should be considered among the differential diagnoses in such cases, especially in cases of patients who reside in rural areas where the condition is considered to be endemic, in order to administer the proper course of treatment in a timely fashion and improve the chances of a favorable prognosis.