2016
DOI: 10.1128/jcm.02171-15
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Molecular Identification of Zoonotic Tissue-Invasive Tapeworm Larvae Other than Taenia solium in Suspected Human Cysticercosis Cases

Abstract: dRarely, zoonotic Taenia species other than Taenia solium cause human cysticercosis. The larval stages are morphologically often indistinguishable. We therefore investigated 12 samples of suspected human cysticercosis cases at the molecular level and surprisingly identified one Taenia crassiceps and one Taenia serialis (coenurosis) infection, which were caused by tapeworm larvae normally infecting rodents and sheep via eggs released from foxes and dogs.

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Cited by 17 publications
(20 citation statements)
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“…La alimentación de perros con vísceras crudas fue una conducta observada en este estudio, particularmente en las viviendas rurales, lo que, sumado con la baja frecuencia de desparasitación en las localidades rurales de Cabrero, sugiere riesgo de presentación de dicha enfermedad. Los otros taénidos observables en el perro pertenecen al género Taenia, en cuyo caso el perro se infecta por el consumo de vísceras crudas de animales de abasto o lagomorfos (conejos y liebres) y carecen de riesgo de zoonosis con la excepción de T. multiceps y T. serialis, los que se han reportado produciendo coenurosis en humanos (El-On et al, 2008;Tappe et al, 2016). En estos últimos, la vía de infección del humano es la misma que para E. granulosus, siendo los hospederos intermediarios principales los ovinos y los lagomorfos, respectivamente.…”
Section: Discussionunclassified
“…La alimentación de perros con vísceras crudas fue una conducta observada en este estudio, particularmente en las viviendas rurales, lo que, sumado con la baja frecuencia de desparasitación en las localidades rurales de Cabrero, sugiere riesgo de presentación de dicha enfermedad. Los otros taénidos observables en el perro pertenecen al género Taenia, en cuyo caso el perro se infecta por el consumo de vísceras crudas de animales de abasto o lagomorfos (conejos y liebres) y carecen de riesgo de zoonosis con la excepción de T. multiceps y T. serialis, los que se han reportado produciendo coenurosis en humanos (El-On et al, 2008;Tappe et al, 2016). En estos últimos, la vía de infección del humano es la misma que para E. granulosus, siendo los hospederos intermediarios principales los ovinos y los lagomorfos, respectivamente.…”
Section: Discussionunclassified
“…Especially in such anatomical sites, molecular parasite species identification should be attempted, as different larval tapeworm species (especially as the morphologically similar T. crassiceps) have different disease prognoses. 6 In addition to human cases, two nonhuman primate infections with T. martis larvae have been described very recently in an Italian zoo 9 and in a French primate center. 10 In the animals (a ring-tailed lemur that died of the infection and a macaque that survived, respectively), peritoneal infection had developed.…”
Section: Discussionmentioning
confidence: 99%
“…[2][3][4][5] The larval stages share a highly similar morphology, and they might be virtually indistinguishable on histological sections. 6 Still, for prognosis, prevention, and detection of parasite reservoirs, the species responsible for human disease should be determined. 6 We here describe a human eye infection with the marten tapeworm T. martis, which constitutes the third human infection with this tapeworm pathogen worldwide, and the second eye infection in Germany.…”
Section: Introductionmentioning
confidence: 99%
“…Although, with morphologically indistinguishable Taenia spp. larvae, canine-sourced cysticercosis may be under-reported (24). The main worry regarding canine-associated disease is cystic infection causing unilocular cysts in the CNS, eye, and within the muscle and subcutaneous tissues (24,25).…”
Section: Coccidiamentioning
confidence: 99%
“…larvae, canine-sourced cysticercosis may be under-reported (24). The main worry regarding canine-associated disease is cystic infection causing unilocular cysts in the CNS, eye, and within the muscle and subcutaneous tissues (24,25). Most cases are associated with "siificant" prior canine exposure, along with poor hygiene (25).…”
Section: Coccidiamentioning
confidence: 99%