PMID: 8212456Jul 1, 1993Paper

Subepidermal vesiculobullous filarial dermatitis in free-ranging American badgers (Taxidea taxus)

Veterinary Pathology
D O'TooleC Lynn

Abstract

Skin and superficial lymph nodes from the 65 juvenile (< 1 year old) and adult free-ranging American badgers (Taxidea taxus) of both sexes that were killed from late July to late October 1991 as part of the recovery program for the endangered black-footed ferret (Mustela nigripes) were examined for evidence of Filaria taxideae. Fifty-one badgers (51/64, 80%) were infected. Both adult badgers (30/32, 94%) and juvenile badgers (21/32, 67%) were infected by adult filarial worms, which occurred most commonly in subcutaneous tissues of the inguinal area, proximal thigh, and ventral abdomen. Sections of formalin-fixed skin and, from many badgers, subcutaneous lymph nodes were stained with hematoxylin and eosin, Jones' methenamine silver (for basement membrane), and an avidin biotin peroxidase complex method (for factor VIII-related antigen). Superficial dermatitis attributable to embryonated filarial ova and larvae was present in 26/64 badgers (41%), all of them adult (> 1 year old). Acute lesions consisted of multifocal vesiculobullous dermoepidermal separation and superficial perivascular dermatitis. Ultrastructural examination and Jones' silver-stained sections revealed separation between basal keratinocytes and the basal lamina (...Continue Reading

References

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Citations

Jan 1, 1994·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·D O'TooleB Williams
May 1, 1995·Veterinary Pathology·L CarrascoM A Sierra

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