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1.
Rev. chil. infectol ; 28(6): 581-584, dic. 2011. ilus
Article in Spanish | LILACS | ID: lil-612159

ABSTRACT

A twenty four year-old male patient with a history of morbid obesity and acute lymphocytic leukemia diagnosed in 2003, underwent an autologous bone marrow transplantation the same year. He had two relapses of leukemia on 2003 and 2007. On January 2009, he underwent a double cord bone marrow transplantation with myeloablative conditioning and craneospinal radiotherapy. The patient received prophylaxis with aciclovir, cotrimoxazole and fluconazole. The latter was changed afterwards to posaconazole. On day 16 post-transplantation, fever and menin-geal signs appeared. The cerebrospinal fluid exam revealed pleocytosis with polymorphonuclear predominance. Empirical therapy was started with meropenem. Due to neurological impairment, at day 33, a brain magnetic resonance imaging (MRI) was performed, showing multiple hypodense supra and infratentorial nodules with peripheral edema. Biopsy, universal PCR for fungi and a new cerebrospinal fluid analysis were performed and amphotericin B was added showing a favorable response. He was discharged with itraconazole, as the universal PCR of brain tissue revealed Penicillium spp. This is the third report presented in this journal that stresses the importance of early neuroimaging, especially MRI to certify the involvement of the central nervous system in immunocompromised patients.


Paciente de 24 años, sexo masculino, con antecedente de obesidad mórbida que debutó con una leucemia linfática aguda (LLA) en el año 2003. Se le efectuó trasplante (Tx) de precursores hematopoyéticos, autólogo, recayendo el mismo año. En el año 2007 presentó una segunda recaída por lo que se le sometió a Tx doble de cordón como rescate en enero de 2009, con acondicionamiento mieloablativo y radioterapia cráneo-espinal recibiendo profilaxis con aciclovir, cotrimoxazol y fluconazol, el que fuera cambiado posteriormente a posaconazol. El día 16 post trasplante presentó fiebre y signos meníngeos, con LCR que revelaba una pleocitosis de predominio polimorfonuclear. Se inició terapia empírica con meropenem. Debido al deterioro neurológico, en el día 33, se le efectuó una resonancia magnética cerebral (RM) donde se evidenciaron múltiples nódulos hipodensos supra e infratentoriales con edema periférico. Se le realizó biopsia cerebral, cultivos, reacción de polimerasa en cadena (RPC) para hongos, nuevo estudio de LCR completo y se agregó anfotericina B deoxicolato presentando una respuesta favorable. Finalizada la terapia con anfotericina B se dio de alta con itraconazol ya que la RPC de tejido cerebral reveló Penicillium sp. Este es el tercer caso presentado en esta revista en los que enfatizamos la importancia de las neuroimágenes, en especial la RM, realizadas en forma precoz para certificar el compromiso del SNC en pacientes inmunocomprometidos.


Subject(s)
Humans , Male , Young Adult , Central Nervous System Fungal Infections/microbiology , Immunocompromised Host , Magnetic Resonance Imaging , Neuroimaging , Penicillium/isolation & purification , Central Nervous System Fungal Infections/diagnosis , Central Nervous System Fungal Infections/immunology , Precursor Cell Lymphoblastic Leukemia-Lymphoma/complications
2.
Arq. neuropsiquiatr ; 63(3A): 689-692, set. 2005. ilus
Article in Portuguese | LILACS | ID: lil-409059

ABSTRACT

O acometimento cerebral pela histoplasmose é raro, ocorrendo mais comumente sob a forma de doença disseminada. Raramente, a doença pode ocorrer sob a forma de histoplasmomas, que simulam tumores do sistema nervoso central. Mais raro ainda é a ocorrência de histoplasmomas em pacientes imunocompetentes como única manifestação desta infecção. Neste relato é apresentado um paciente masculino de 13 anos com cefaléia, vômitos, redução da acuidade visual e auditiva à esquerda e hemiparesia à direita. A ressonância magnética mostrou lesão expansiva com impregnação anelar de contraste, localizada na região talâmica, hipotalâmica e quiasmática à esquerda. Foi realizada biópsia estereotáxica e a avaliação histológica do material definiu o diagnóstico de histoplamose. Iniciou-se tratamento com fluconazol, com melhora clínica importante após 6 meses do início do tratamento.


Subject(s)
Adolescent , Humans , Male , Central Nervous System Fungal Infections/pathology , Histoplasma , Histoplasmosis/pathology , Antifungal Agents/therapeutic use , Biopsy/methods , Central Nervous System Fungal Infections/drug therapy , Central Nervous System Fungal Infections/immunology , Fluconazole/therapeutic use , Histoplasmosis/drug therapy , Histoplasmosis/immunology , Magnetic Resonance Imaging , Stereotaxic Techniques
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