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Oral masses in African pygmy hedgehogs.

ABSTRACT: African pygmy hedgehogs (Atelerix albiventris) frequently develop oral neoplasms, and most of these neoplasms are malignant. We characterized oral masses detected in hedgehogs at clinical examination. During a 1-y period, we diagnosed oral cavity masses in 27 privately owned hedgehogs; 16 were female and 11 were male, with ages of 2-7?y (mean: 4.3 y). Eight masses were non-neoplastic and were diagnosed as gingival hyperplasia (GH). Nineteen masses were neoplastic, of which 17 were squamous cell carcinomas (SCCs) and 2 were mesenchymal tumors (1 spindle cell tumor of probable neural origin, and 1 hemangiosarcoma). The GHs were noninvasive, exophytic, and did not recur after surgical excision. The SCCs were highly invasive tumors that induced facial deformation and were located in the caudal portion of the oral cavity, with 12 of them arising from the right-caudal maxilla. Thus, clinical signs, growth pattern, and anatomic location can be used to suspect a diagnosis of SCC among the other possible diagnoses, such as GH, in this location. However, histopathology is necessary for confirmation. Also, hemangiosarcoma should be considered among the differential diagnoses.

SUBMITTER: Del Aguila G

PROVIDER: S-EPMC6900726 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Oral masses in African pygmy hedgehogs.

Del Aguila Gabriela G Torres Cristian G CG Carvallo Francisco R FR Gonzalez Carlos M CM Cifuentes Federico F FF

Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc 20191004 6

African pygmy hedgehogs (<i>Atelerix albiventris</i>) frequently develop oral neoplasms, and most of these neoplasms are malignant. We characterized oral masses detected in hedgehogs at clinical examination. During a 1-y period, we diagnosed oral cavity masses in 27 privately owned hedgehogs; 16 were female and 11 were male, with ages of 2-7 y (mean: 4.3 y). Eight masses were non-neoplastic and were diagnosed as gingival hyperplasia (GH). Nineteen masses were neoplastic, of which 17 were squamou ...[more]

PMID: 31585523

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Project description:African pygmy hedgehogs (Atelerix albiventris) are widely farmed in southern China and Japan for medicinal materials and as pets. However, little is known about the prevalence, zoonotic potential, and environmental burden of Cryptosporidium spp., Enterocytozoon bieneusi and Giardia duodenalis in these animals. In this study, 380 fecal samples were collected from farmed and pet African pygmy hedgehogs in Guangdong of China, and analyzed for these pathogens by PCR and DNA sequencing. Overall, the detection rates of Cryptosporidium spp., E. bieneusi and G. duodenalis were 35.5%, 70.0% and 0, respectively. By living condition, the highest detection rates of Cryptosporidium spp. (61.5%) and E. bieneusi (100.0%) were both obtained from animals kept in the cave, which could be due to the overcrowding and poor hygiene conditions. Two Cryptosporidium species were identified, including C. erinacei (n = 22) and Cryptosporidium horse genotype (n = 113). The C. erinacei isolates belonged to a new subtype family (XIIIb), which has been identified in a patient with cryptosporidiosis recently. The horse genotype isolates are of a known subtype VIbA13, which was previously identified in a pet store employee in care of hedgehogs with diarrhea. Eleven genotypes of the zoonotic Group 1 were identified in E. bieneusi, with the known genotype SCR05 previously detected in pet rabbits being dominant (235/266, 88.3%). In longitudinal monitoring of Cryptosporidium infection in 11 naturally infected African pygmy hedgehogs, the oocyst shedding intensity decreased gradually from the mean oocysts per gram of feces of ∼6 logs to ∼2 logs over 42 days. The high intensity and long duration of oocyst shedding could lead to heavy environmental contamination and increase the potential for zoonotic transmission of the pathogens. Results of the study suggest that zoonotic Cryptosporidium spp. and E. bieneusi are common in farmed and pet African pygmy hedgehogs. Hygiene and One Health measures should be implemented by pet owners and farmers to prevent zoonotic transmission and environmental contamination of Cryptosporidium spp. and E. bieneusi.

Dataset Information

Oral masses in African pygmy hedgehogs.

Publications

Oral masses in African pygmy hedgehogs.

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