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Zoonoses of dermatological interest
1Department of Dermatology, Jefferson Medical College, Thomas Jefferson University, Philadelphia, PA.
Abstract:
The zoonoses are those diseases transmitted from animals to humans. Although commonly thought to be infectious in origin such as scabies or dermatophytosis, inflammatory processes may also be zoonotic. Contact dermatitis may result from allergens being carried from animals to humans. Although the scabies mite is somewhat species specific, various mites sometimes have the opportunity of producing skin disease on man (ie, canine scabies, porcine scabies, and feline scabies [notoedric mange]); cheyletiellosis is caused by a similar mite, often found in rabbits. The index case of superficial fungal infections may be the household pet, whereas the cause of flea bite dermatitis (papular urticaria) may be the lack of an animal, resulting in the flea choosing a human for feeding. Understanding zoonotic skin diseases will improve the clinician's diagnostic skills. Both the human and animal patient will then receive more effective treatment in a quicker fashion.
Insights
Zoonotic skin diseases, including infectious and inflammatory conditions like scabies and contact dermatitis, can be transmitted from animals to humans. Understanding these animal-to-human disease transmissions improves diagnosis and treatment for both human and animal patients.
Area of Science:
- Veterinary Dermatology
- Zoonotic Diseases
- Public Health
Background:
- Zoonoses are diseases transmissible from animals to humans.
- While often infectious (e.g., scabies, fungal infections), inflammatory conditions can also be zoonotic.
- Examples include mite-transmitted scabies and allergen-induced contact dermatitis.
Purpose of the Study:
- To highlight the diverse range of zoonotic skin conditions.
- To emphasize the importance of recognizing animal-to-human disease transmission.
- To improve diagnostic accuracy for clinicians treating skin diseases.
Main Methods:
- Review of known zoonotic skin disease transmission pathways.
- Categorization of zoonotic skin conditions by causative agent (mites, fungi, allergens).
- Discussion of clinical presentations and diagnostic considerations.
Main Results:
- Zoonotic skin diseases encompass infectious agents (mites, fungi) and inflammatory triggers (allergens).
- Specific examples include canine, porcine, and feline scabies, cheyletiellosis, and flea bite dermatitis.
- Household pets can be primary sources for superficial fungal infections.
Conclusions:
- Understanding zoonotic skin diseases enhances clinicians' diagnostic capabilities.
- Prompt recognition leads to more effective and timely treatment for both human and animal patients.
- Recognizing the animal origin of skin conditions is crucial for comprehensive patient care.