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Rev. Inst. Med. Trop. Säo Paulo ; 52(4): 221-224, July-Aug. 2010. ilus, graf
Article in English | LILACS | ID: lil-557412

ABSTRACT

The first report to our knowledge, of hyperinfection by Strongyloides stercoralis (HS) and hypereosinophilia, associated to immune suppression by Rituximab (the only drug received for the last one year and 10 months), in a patient with mantle-cell lymphoma (MCL), is presented. The patient has a 3-year history of MCL, and developed two accesses of HS during 2008, including meningitis, pneumonia and presence of larvae of S. stercoralis in the lungs. We had a unique chance to look at cytotoxicity of filariform larvae in the expectoration after Ivermectin treatment, showing immobilization and death of larvae, associated with eosinophils attached to the cuticle of the parasite.


Se presenta el primer reporte, hasta donde tengamos información, de hiperinfección por Strongyloides stercoralis (HS) e hipereosinofilia asociados a inmunosupresión por Rituximab (el único medicamento recibido durante 1 año y 10 meses), en un paciente con linfoma de células del manto (LCM). La paciente tuvo una historia de 3 años con LCM, y desarrolló 2 accesos de HS durante el 2008, incluyendo meningitis, neumonía y presencia de larvas de S. stercoralis en los pulmones. Se tuvo la oportunidad única de observar la citotoxicidad contra las larvas filariformes en la expectoración, luego del tratamiento con Ivermectina, mostrando la inmovilización y muerte de las larvas, asociada a la presencia de eosinófilos adheridos a la cutícula del parásito.


Subject(s)
Animals , Female , Humans , Middle Aged , Antibodies, Monoclonal, Murine-Derived/adverse effects , Antineoplastic Agents/adverse effects , Immunocompromised Host , Strongyloidiasis/immunology , Superinfection/immunology , Antiparasitic Agents/therapeutic use , Hypereosinophilic Syndrome/immunology , Ivermectin/therapeutic use , Lymphoma, Mantle-Cell/drug therapy , Lymphoma, Mantle-Cell/immunology , Strongyloidiasis/drug therapy , Superinfection/parasitology
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