Abstract
ABSTRACT. Knoff M., Pinto R.M., de São Clemente S.C., Fonseca M.C.G. & Gomes D.C. Diphyllobothrium latum and Diphyllobothrium sp. as the agents of diphyllobothriasis in Brazil: morphological analysis and two new case reports. [Diphyllobothrium latum and Diphyllobothrium sp. como agentes da diphylobotrioses no Brasil: analise morfológica e relato de dois novos casos]. Revista Brasileira de Medicina Veterinária, 33(3):159-164, 2011. Laboratório de Helmintos Parasitos de Vertebrados, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Avenida Brasil 4365, Manguinhos, RJ 21045-900, Brasil. E-mail: knoffm@ioc.fiocruz.br Between August 2004 and April, 2005 two adults, a man and a woman, living in Rio de Janeiro, frequently feeding on raw fish (sushi and sashimi) without a recent historical of being abroad, presented similar symptoms of abdominal pain. Fecal samples with the presence of eggs recovered from both patients with together a strobila found in the stools of the woman were sent to the Laboratório de Helmintos Parasitos de Vertebrados, Instituto Oswaldo Cruz for examination. In order to avoid the accurate identification of parasites, eggs and proglottids were measured and analyzed; transversal and sagittal sections of the proglottids were also obtained. Results showed the presence of Diphyllobothrium latum and Diphyllobothrium sp. in the two infected individuals, man and in the woman, respectively. A survey of other human cases of diphyllobothriasis occurring in Brazil is presented.