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Published on: August 12, 2010
[Generalized microsporidiosis caused by Encephalitozoon sp. in a pediatric patient with Bruton's disease]
O Vásquez Tsuji1, R Rodríguez Herrera, T Campos Rivera
1Servicio Clínico de Parasitología y Micología, Instituto Nacional de Pediatría, Avenida Insurgentes Sur. No 3.700-C, Colonia, Insurgentes Cuicuilco, Código Postal 04530, Delegación Coyoacán, México, Distrito Federal.
Abstract:
We present the case of a four-year-old boy with a history of repeated upper respiratory tract infections and pyoderma. He presented fever, seizures, inability to talk, loss of swallowing, fine tremor in the upper extremities; positive bilateral Babinski reflex and quadriparesis. The diagnosis of Bruton's disease and generalized microporidiosis was based on immunologic analysis, smear tests with chromotrope R2 stain and indirect immunofluorescense with monoclonal 3B6 antibody for Encephalitozoon species in samples of spinal fluid, bronchial and paranasal sinus aspirates and stool, which were all positive. The patient was treated with albendazol during 72 days; he left the hospital in a good condition, walking, talking and able to swallow. His laboratory test controls were negative; he is followed up in the outpatient department.
Insights
This case study highlights a pediatric patient with Bruton's disease and microsporidiosis. Successful albendazole treatment resolved severe neurological and physical symptoms, demonstrating effective therapeutic outcomes.
Area of Science:
- Pediatric Neurology
- Infectious Diseases
- Immunology
Background:
- Bruton's disease (X-linked agammaglobulinemia) predisposes individuals to recurrent infections.
- Microsporidiosis is an opportunistic infection caused by microsporidia, particularly in immunocompromised hosts.
Observation:
- A four-year-old boy with Bruton's disease presented with fever, seizures, mutism, dysphagia, tremors, and quadriparesis.
- Diagnostic tests revealed generalized microsporidiosis, confirmed by immunologic analysis and microscopy in various bodily samples.
Findings:
- The patient received a 72-day course of albendazole.
- Post-treatment, the patient showed significant recovery, regaining motor and speech functions, and normal swallowing ability.
- Follow-up laboratory tests for microsporidiosis were negative.
Implications:
- This case underscores the importance of considering opportunistic infections like microsporidiosis in pediatric patients with primary immunodeficiencies.
- Prompt diagnosis and treatment with albendazole can lead to substantial clinical improvement and recovery.
- Highlights the diagnostic utility of immunofluorescence and specific stains in identifying microsporidian infections.
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