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Rev. Soc. Bras. Med. Trop ; 44(1): 26-29, Jan.-Feb. 2011. tab
Article in English | LILACS | ID: lil-579826

ABSTRACT

INTRODUCTION: Histoplasmosis is a systemic mycosis endemic in Brazil, especially in the State of Rio Grande do Sul, where Histoplasma capsulatum was isolated from the soil. H. capsulatum may compromise unusual areas, including the oropharynx, particularly in patients presenting disseminated histoplasmosis; which is associated with a state of immunosuppression, such as AIDS. METHODS: During database analysis of a total of 265 cases of histoplasmosis, the medical records of 11 patients with histological or microbiological diagnoses of oral histoplasmosis (OH) between 1987 and 2008 were retrospectively reviewed. RESULTS: This work reports 11 cases of OH, the majority presenting histopathological or microbiological evidence of disseminated histoplasmosis (DH). In the patients with DH, OH was the first manifestation of histoplasmosis. Five of the 11 patients discussed were HIV-seropositive with clinical and laboratory findings of AIDS. Four patients presented active pulmonary tuberculosis concomitant with histoplasmosis. Treatment was based on the use of itraconazole and amphotericin B deoxycholate. Eight patients responded successfully to therapy after one year, two did not come back for reevaluation and one died despite adequate therapy. CONCLUSIONS: Oral histoplasmosis is closely associated with immunosuppression status, especially in patients presenting AIDS; moreover, in many cases, OH is the first sign of disseminated histoplasmosis.


INTRODUÇÃO: Histoplasmose é uma micose sistêmica, endêmica no Brasil, especialmente no Estado do Rio Grande do Sul, onde Histoplasma capsulatum foi isolado do solo. H. capsulatum pode acometer áreas não-usuais, como cavidade orofaríngea, particularmente em pacientes com histoplasmose disseminada, por sua vez, associada com estado de imunossupressão, como na AIDS. MÉTODOS: A partir de 265 casos de histoplasmose em um banco de dados de um laboratório de micologia, foram analisados retrospectivamente 11 prontuários de pacientes com diagnóstico histológico ou microbiológico de histoplasmose oral (HO) entre 1987 e 2008. RESULTADOS: Reportamos neste trabalho onze casos de HO, a grande maioria com evidências histopatológicas e microbiológicas de histoplasmose disseminada (HD). Nos pacientes com HD, HO foi a primeira manifestação de histoplasmose. Cinco dos onze casos relatados eram portadores do vírus do HIV, todos com diagnóstico clínico e laboratorial de AIDS. Quatro pacientes do total tinham concomitantemente tuberculose pulmonar e histoplasmose. Tratamento foi baseado no uso de itraconazol e anfotericina B principalmente. Oito pacientes tiveram sucesso terapêutico após um ano, dois não retornaram para reavaliação e um faleceu apesar da adequada terapia antifúngica. CONCLUSÕES: Histoplasmose oral está associada muitas vezes com estado de imunossupressão, especialmente em pacientes com AIDS. Em muitos casos pode representar o primeiro sinal indicativo de histoplasmose disseminada.


Subject(s)
Adult , Aged , Female , Humans , Male , Middle Aged , Young Adult , AIDS-Related Opportunistic Infections/microbiology , Histoplasmosis/microbiology , Oropharynx/microbiology , Pharyngeal Diseases/microbiology , AIDS-Related Opportunistic Infections/diagnosis , AIDS-Related Opportunistic Infections/drug therapy , Amphotericin B/therapeutic use , Antifungal Agents/therapeutic use , Drug Combinations , Deoxycholic Acid/therapeutic use , Histoplasmosis/diagnosis , Histoplasmosis/drug therapy , Itraconazole/therapeutic use , Ketoconazole/therapeutic use , Pharyngeal Diseases/diagnosis , Pharyngeal Diseases/drug therapy , Retrospective Studies
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