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Dermatologic manifestations are quite common in patients with adult T cell leukemia/lymphoma and myelopathy/tropical spastic paraparesis associated with infection with human T cell lymphotropic virus type-1 (HTLV-1). In this study, we evaluated the dermatologic lesions of eligible blood donors in the state of Minas Gerais in Brazil who were seropositive but asymptomatic for infection with HTLV-1. The study population was composed of 128 HTLV-1-seropositive individuals and 108 seronegative controls. All individuals underwent a dermatologic evaluation. Biopsy specimens were obtained from abnormal and normal skin samples of seropositive individuals in an attempt to detect HTLV-1 in tissue samples by a polymerase chain reaction. Dermatologic alterations were observed more frequently in the seropositive group (adjusted odds ratio [OR] = 8.77, 95% confidence interval [CI] = 4.1118.71). The most common skin diseases were dermatophytoses (adjusted OR = 3.32, 95% CI = 1.507.35), seborrheic dermatitis (OR = 3.53, 95% CI = 0.6724.66), and acquired ichthyosis (P = 0.001). Virus was detected more frequently in abnormal skin samples. Dermatologic lesions probably related to HTLV-1 infection were diagnosed in eligible blood donors who were infected with this virus, who were previously considered to be asymptomatic carriers of HTLV-1.
Received June 11, 2002. Accepted for publication February 13, 2003.
Acknowledgments: We thank all members of the Interdisciplinary HTLV-1/2 Research Group, especially, Bernadete Catalan Soares, Olindo de Assis Martins Filho, Sônia Regina Pinheiro and João Gabriel Ribas, for their participation in the study.
Financial support: This work was partially supported by the Brazilian National Research Council (CNPp/Brazil) and the Foundation for Research Support of the state of Minas Gerais (FAPEMIG/MG).
Authors addresses: Denise Utsch Gonçalves, Antonio Carlos Martins Guedes, Fernando Augusto Proietti, and José Roberto Lambertucci, Departamento de Clínica Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais, Avenida Alfredo Balena, 190, 4° Andar, CEP 30130-100, Belo Horizonte, Minas Gerais, Brazil, Telephone: 55-31-3248-9821, Fax: 55-31-3248-9820, E-mail: lamber{at}net.em.com.br. Anna Bárbara de Freitas Carneiro Proeitti, Fundação Hemominas, Minas Gerais State Center of Hematology and Hemotherapy, Alameda Ezequiel Dias, 321, CEP 30180-100, Belo Horizonte, Minas Gerais, Brazil, Telephone: 55-31-3226-2002. Marina Lobato Martins, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, Pampulha. CEP 31270-010, Belo Horizonte, Minas Gerais, Brazil, Telephone: 55-31-3499-2873.
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