Human Infection with Marten Tapeworm

Eberwein, Philipp; Haeupler, Alexandra; Kuepper, Fabian; Wagner, Dirk; Kern, Winfried V.; Muntau, Birgit; Rácz, Paul; Agostini, Hansjuergen; Poppert, Sven

doi:10.3201/eid1907.121114

Cited by 22 publications

(28 citation statements)

References 9 publications

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“…This mustelid is quite common in the country, and contamination of vegetables with infected faeces must be retained a plausible hypothesis. A similar explanation was also suggested for the human case recorded in Germany [12]. Assuming that the parasite entered the zoological garden as eggs contaminating fresh vegetables, its zoonosic potential should be taken into consideration.…”

Section: Introductionsupporting

confidence: 62%

“…Interestingly, a case of infection by Echinococcus multilocularis metacestodes in a ring-tailed lemur living in a zoo was recently reported in France [10]. Regarding T. martis, larval forms of this species were recorded in wild cats [11] and in 2013 a human infection was reported in Germany [12]. In the present case, the two larvae were alive and moving at the moment of their recovery from the L. catta peritoneal cavity.…”

Section: Introductionmentioning

confidence: 59%

“…Assuming that the parasite entered the zoological garden as eggs contaminating fresh vegetables, its zoonosic potential should be taken into consideration. T. martis metacestodes can infect humans [12] and the possibility of zoonotic infections via contaminated fresh vegetables cannot be ruled out, even in an urban context where the cycle of such a parasite is not expected.…”

Section: Introductionmentioning

confidence: 99%

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Fatal infection with Taenia martis metacestodes in a ring-tailed lemur (Lemur catta) living in an Italian zoological garden

Liberato¹,

Berrilli²,

Meoli³

et al. 2014

Parasitology International

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A case of fatal infection caused by larval forms of Taenia martis in a ring-tailed lemur (Lemur catta) living in the Rome zoological garden is described. The animal, living in a semi-natural pen with other 15 conspecific individuals and being fed with fresh fruit and vegetables, yoghurt and eggs, was transported to the Istituto Zooprofilattico of Rome for post-mortem examination. The anamnesis included, ten days before the death, apathy, lack of appetite, abdominal distension and diarrhoea. A severe exudative fibrinous-purulent peritonitis with numerous adhesions between the abdominal wall and the bowel loops was detected. After intestine removal, two free and viable, 4 cm long, whitish, leaf-like parasitic forms were pinpointed. Macroscopic examination of the two parasites allowed their identification as larval stages of cestodes, identified via molecular analysis as T. martis metacestodes. This report represents the first record of T. martis infection in the host species and in a zoological garden and for the pathological relevance of the infection.

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Section: Introductionsupporting

confidence: 62%

Section: Introductionmentioning

confidence: 59%

Section: Introductionmentioning

confidence: 99%

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Fatal infection with Taenia martis metacestodes in a ring-tailed lemur (Lemur catta) living in an Italian zoological garden

Liberato¹,

Berrilli²,

Meoli³

et al. 2014

Parasitology International

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“…Neurocysticercosis caused by T. crassiceps or T. multiceps is less common yet should be considered in the differential diagnosis of CNS infections. T. martis cysticercosis was recently reported for the very first time in a human eye (5).…”

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confidence: 94%

First Case of Human Cerebral Taenia martis Cysticercosis

et al. 2015

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Taenia martis is a tapeworm affecting mustelids, with rodents serving as intermediate hosts. The larval stage (cysticercus) has been found before only rarely in humans or primates. We hereby describe a case of cerebral T. martis cysticercosis in a French immunocompetent patient, confirmed by DNA analyses of biopsy material. CASE REPORT In January 2012, a 44-year-old woman with no significant medical history except Verneuil's disease was admitted to the Strasbourg University Hospital for right hemiparesis and aphasia. Cerebral magnetic resonance imaging (MRI) revealed fluid attenuated inversion recovery (FLAIR) and diffusion signal abnormalities in a small area of the left temporal lobe cortex, associated with leptomeningeal gadolinium-based enhancement in the depth of the adjacent sulcus ( Fig. 1 and 2). On examination, the patient was found to have a temperature of 38.5°C. She reported no travel history outside Europe and presented no immunosuppression. Meningoencephalitis was suspected, and the first examination of the cerebrospinal fluid (CSF) revealed lymphocytic pleocytosis, increased protein levels, and normal glucose concentration. Bacterial antigen detection in CSF was negative, as were CSF bacterial and fungal cultures. Acyclovir, cefotaxime, and amoxicillin were initiated. Five days later, a second lumbar puncture revealed 790 leukocytes/mm 3 (70% lymphocytes, 30% eosinophils) and oligoclonal immunoglobulin bands.Due to the eosinophilia, a complementary serological investigation was performed. Serology was weakly positive (1:60) for Taenia solium using T. solium antigens and immunofluorescence and negative for Echinococcus granulosus using Western blotting with Echinococcus sp. antigens (LDBIO Diagnostics, Lyon, France), Echinococcus multilocularis using enzyme-linked immunosorbent assay (ELISA) with Em2ϩ antigens, (Bordier Affinity Products SA, Crissier, Switzerland), Taenia saginata using T. saginata antigens and immunofluorescence, Schistosoma mansoni using ELISA with S. mansoni antigens (Bordier Affinity Products SA), Trichinella spiralis using ELISA with T. spiralis antigens (LDBIO Diagnostics), and Strongyloides stercoralis using ELISA with Strongyloides ratti antigens (Bordier Affinity Products SA). Stool examinations were negative for parasites. The patient fully recovered the following week. She was readmitted in May 2012 after another episode of aphasia. Cerebral MRI was then performed again, displaying a ring-enhancing lesion along with a small enhancing nodule attached to its border, associated with significant perilesional edema, in the same cortical area as that recorded on the first MRI.Despite MRI revealing no evidence of neoangiogenesis, due to the cerebral blood volume being diminished, there were no clinical features that enabled the distinction from an inflammatory process due to either unknown infection or tumor, such as a glioblastoma or metastatic process. Surgical exeresis of the parasitic mass was performed. The pathological examination demonstrated no signs of a tumoral proces...

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“…Various other zoonotic tapeworm species, which are propagated in different predator-prey cycles, have been described as causes of human cysticercosis (3)(4)(5)(6). Tapeworm larvae have a highly similar morphology.…”

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confidence: 99%

Molecular Identification of Zoonotic Tissue-Invasive Tapeworm Larvae Other than Taenia solium in Suspected Human Cysticercosis Cases

et al. 2016

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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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Human Infection with Marten Tapeworm

Cited by 22 publications

References 9 publications

Fatal infection with Taenia martis metacestodes in a ring-tailed lemur (Lemur catta) living in an Italian zoological garden

Fatal infection with Taenia martis metacestodes in a ring-tailed lemur (Lemur catta) living in an Italian zoological garden

First Case of Human Cerebral Taenia martis Cysticercosis

Molecular Identification of Zoonotic Tissue-Invasive Tapeworm Larvae Other than Taenia solium in Suspected Human Cysticercosis Cases

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