Mucosal Leishmaniasis and Abnormalities on Computed Tomographic Scans of Paranasal Sinuses

Raphael A. Camargo Department of Infectious Diseases, Institute of Radiology, and Infectious and Parasitic Diseases Clinic, Hospital das Clínicas, University of São Paulo, Medical School, São Paulo, Brazil; Division of Infectious and Parasitic Diseases, Hospital Universitário Evangélico de Curitiba, Curitiba, Paraná, Brazil

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Felipe F. Tuon Department of Infectious Diseases, Institute of Radiology, and Infectious and Parasitic Diseases Clinic, Hospital das Clínicas, University of São Paulo, Medical School, São Paulo, Brazil; Division of Infectious and Parasitic Diseases, Hospital Universitário Evangélico de Curitiba, Curitiba, Paraná, Brazil

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Daniel V. Sumi Department of Infectious Diseases, Institute of Radiology, and Infectious and Parasitic Diseases Clinic, Hospital das Clínicas, University of São Paulo, Medical School, São Paulo, Brazil; Division of Infectious and Parasitic Diseases, Hospital Universitário Evangélico de Curitiba, Curitiba, Paraná, Brazil

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Eloisa M. Gebrim Department of Infectious Diseases, Institute of Radiology, and Infectious and Parasitic Diseases Clinic, Hospital das Clínicas, University of São Paulo, Medical School, São Paulo, Brazil; Division of Infectious and Parasitic Diseases, Hospital Universitário Evangélico de Curitiba, Curitiba, Paraná, Brazil

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Rui Imamura Department of Infectious Diseases, Institute of Radiology, and Infectious and Parasitic Diseases Clinic, Hospital das Clínicas, University of São Paulo, Medical School, São Paulo, Brazil; Division of Infectious and Parasitic Diseases, Hospital Universitário Evangélico de Curitiba, Curitiba, Paraná, Brazil

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Antonio C. Nicodemo Department of Infectious Diseases, Institute of Radiology, and Infectious and Parasitic Diseases Clinic, Hospital das Clínicas, University of São Paulo, Medical School, São Paulo, Brazil; Division of Infectious and Parasitic Diseases, Hospital Universitário Evangélico de Curitiba, Curitiba, Paraná, Brazil

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Giovanni G. Cerri Department of Infectious Diseases, Institute of Radiology, and Infectious and Parasitic Diseases Clinic, Hospital das Clínicas, University of São Paulo, Medical School, São Paulo, Brazil; Division of Infectious and Parasitic Diseases, Hospital Universitário Evangélico de Curitiba, Curitiba, Paraná, Brazil

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Valdir S. Amato Department of Infectious Diseases, Institute of Radiology, and Infectious and Parasitic Diseases Clinic, Hospital das Clínicas, University of São Paulo, Medical School, São Paulo, Brazil; Division of Infectious and Parasitic Diseases, Hospital Universitário Evangélico de Curitiba, Curitiba, Paraná, Brazil

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Studies evaluating radiologic aspects, local complications, and structural alterations of the paranasal sinus in patients with mucosal leishmaniasis (ML) are lacking. The aim of this study was to analyze alterations of the paranasal sinuses in patients with ML by using computed tomography (CT) scans. This prospective study evaluated 26 patients in Brazil with ML from December 2008 through June 2009. All patients underwent CT scans of the paranasal sinuses. Paranasal thickening was observed in 25 patients (96%). Nasal perforation was observed in 17 patients (65%). Those patients who received re-treatment showed more abnormalities on CT scan than cured patients (P < 0.05). Complications of ML are not limited to the nasal mucosa but extend to the paranasal sinuses. Mucosal thickening, opacified air cells, bony remodeling, and bony thickening caused by inflammatory osteitis of the sinus cavity walls are CT findings suggestive of chronic sinusitis.

Author Notes

*Address correspondence to Felipe F. Tuon, Infectious and Parasitic Diseases Clinic, Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, Avenida Dr. Enéas de Carvalho Aguiar 255, 4° Andar, Sala 4028 - ICHC, Cerqueira César, 05403-010, São Paulo, Brazil. E-mail: flptuon@gmail.com

Authors' addresses: Raphael A. Camargo, Rui Imamura, and Antonio C. Nicodemo, Department of Infectious Diseases, University of São Paulo, Medical School, São Paulo, Brazil. Felipe F. Tuon, Department of Infectious Diseases, University of São Paulo, Medical School, São Paulo, Brazil and Division of Infectious and Parasitic Diseases, Hospital Universitário Evangélico de Curitiba, Curitiba, Paraná, Brazil. Daniel V. Sumi, Eloisa M. Gebrim, and Giovanni G. Cerri, Institute of Radiology, Hospital das Clínicas, University of São Paulo, Medical School, São Paulo, Brazil. Valdir S. Amato, Infectious and Parasitic Diseases Clinic, Hospital das Clínicas, University of São Paulo, Medical School, São Paulo, Brazil.

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