canis - Articles
Skin: tail gland hyperplasia
Introduction
- Common.
- Cause: hyperandrogenism?
- Signs: hyperplasia of that region on dorsal surface of tail which bears simple rather than compound hair follicles, numerous sebaceous and hepatoid glands; may become infected.
- Diagnosis: clinical signs, age of onset, histopathology.
- Treatment: none needed in most cases, castration in severe cases.
- Prognosis: good.
Presenting signs
- Swelling and alopecia of area of skin on dorsum of tail about 3 cm from tailbase.
- Follicular casts and greasiness.
Age predisposition
- Middle aged or older.
Cost considerations
- Mainly cosmetic problem.
Pathogenesis
Pathophysiology
- Androgens → enlarged sebaceous glands (hyperplastic or cystic).
- Absolute or relative hyperandrogenism → hyperplasia of sebaceous glands, perianal hepatoid glands or both.
- Primary or secondary seborrhea.
Diagnosis
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Treatment
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Prevention
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Outcomes
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Further Reading
Publications
Refereed papers
- Recent references from PubMed and VetMedResource.
- Rosychvk R A W (1998) Cutaneous manifestations of endocrine disease in dogs. Comp Cont Ed Pract Vet 20 (3), 287-303 VetMedResource.
Other sources of information
- Scott D W, Miller W H & Griffin C E (2001) EdsVeterinary Dermatology.Philadelphia: W B Saunders, pp 1045-1046.