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Am. J. Trop. Med. Hyg., 34(4), 1985, pp. 714-720
Copyright © 1985 by The American Society of Tropical Medicine and Hygiene

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Mucocutaneous Leishmaniasis in Colombia: Leishmania Braziliensis Subspecies Diversity

Nancy G. Saravia*, Ana Fernanda Holguín*, Diane McMahon-Pratt{dagger} AND Antonio D'Alessandro*
* CIDEIM, Tulane University-Colciencias, Apartado Aéreo 5390, Cali, Colombia
{dagger} Department of Medicine, Harvard Medical School and the Division of Tropical Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115

It is generally held that with rare exception Leishmania braziliensis braziliensis is the parasite responsible for the metastatic development of mucocutaneous leishmaniasis in the New World. Yet the infrequency of mucocutaneous disease compared with cutaneous manifestations, and the difficulty of isolating parasites from mucocutaneous lesions have restricted the study of the organisms involved. We here report the biologic, isoenzymatic, and monoclonal antibody specificity characteristic of eight Leishmania isolates obtained from the mucosal lesions of the same number of patients. Individually and collectively, the identifying criteria implicate at least two L. braziliensis subspecies as etiologic agents of mucocutaneous leishmaniasis in Colombia and suggest that a spectrum of intrinsically distinguishable organisms may be involved in this disease form.

Accepted for publication December 3, 1984.




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Copyright © 1985 by the American Society of Tropical Medicine and Hygiene.