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Paracoccidioidomycosis in children: clinical presentation, follow-up and outcome
Ricardo Mendes Pereira1, Fábio Bucaretchi, Eliana de Melo Barison
1Departamento de Pediatria, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, SP, Brazil. ricardom.p@uol.com.br
Insights
This study on Paracoccidioidomycosis in children found that juvenile and disseminated forms are common, often presenting with fever, enlarged lymph nodes, anemia, and eosinophilia. Treatment with sulfametoxazole-trimethoprim showed significant improvement in lab markers within six months.
Area of Science:
- Pediatric Infectious Diseases
- Mycology
- Clinical Medicine
Background:
- Paracoccidioidomycosis (PCM) is a systemic fungal infection endemic in Latin America.
- Juvenile and disseminated forms of PCM are frequently observed in children.
- Understanding the clinical spectrum and treatment outcomes in pediatric populations is crucial.
Purpose of the Study:
- To describe the clinical manifestations, laboratory findings, and treatment outcomes of Paracoccidioidomycosis in children under 15 years old.
- To evaluate the effectiveness of sulfametoxazole-trimethoprim as a first-line treatment.
- To identify prognostic factors and sequelae in pediatric PCM cases.
Main Methods:
- Retrospective analysis of 70 episodes of PCM in 63 children (ages 2-15) admitted between 1981 and 2001.
- Clinical and laboratory data collected upon admission, including physical examination, blood counts, and biochemical tests.
- Radiographic and technetium studies for bone lesion assessment.
- Treatment with sulfametoxazole-trimethoprim in 50 episodes, with follow-up of clinical and laboratory parameters.
Main Results:
- Common presentations included lymph node enlargement (87.1%), fever (75.7%), anemia (90%), hypergammaglobulinemia (88.5%), and eosinophilia (75.5%).
- Moderate to severe malnutrition was present in 35.7% of cases.
- Bone lesions were observed in 20 episodes.
- Sulfametoxazole-trimethoprim treatment led to significant improvement in hemoglobin, eosinophil, albumin, and gammaglobulin levels within six months.
- Mortality rate was 9.3%, and 6.3% developed sequelae.
Conclusions:
- Juvenile and disseminated forms of PCM are prevalent in children, often presenting as a febrile lymphoproliferative syndrome.
- Anemia, eosinophilia, and hypergammaglobulinemia are key laboratory findings.
- Sulfametoxazole-trimethoprim is an effective first-line treatment, with laboratory markers useful for monitoring therapeutic response.
Abstract:
From February, 1981 to May, 2001, 63 children under 15 y old (ages 2 - 15 y, median = 8 y, mean +/- 1 SD = 8 +/- 3 y) presenting 70 episodes of Paracoccidioidomycosis were admitted. The main clinical manifestations and laboratory features observed upon admission were: lymph node enlargement (87.1%), fever (75.7%), weakness (48.6%), pallor (41.4%), hepatomegaly (40%), splenomegaly (35.7%), anemia (90%), hypergammaglobulinemia (88.5%), eosinophilia (75.5%) and hypoalbuminemia (72.5%). Moderate to severe malnutrition was detected in 35.7% of the episodes (Gomez's criterion). Radiographic and technetium studies showed bone lesions in 20 of the episodes, most of them being multiple lytic lesions, involving both long (70%) and plain bones (30%). First line treatment consisted of an association of sulfametoxazole-trimethoprin, which was used, exclusively, in 50 episodes. Follow-up of hemoglobin levels, number of eosinophils in the peripheral blood, albumin and gammaglobulin serum levels revealed significant sequential improvement one and six months after hospital admission, being quite useful to evaluate treatment effectiveness. Six patients died (9.3%) and four developed sequelae (6.3%). In conclusion, the juvenile and disseminated forms can be observed in about 70% of the episodes of PCM occurring in children younger than 15 y old, most of them presenting with a febrile lymphoproliferative syndrome associated to anemia, eosinophilia and hypergammaglobulinemia.
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