Equine Dermatology cases Flashcards
What does MEED stand for?
Multisystemic epitheliotrophic eosinophilic disease
How would you treat MEED?
Prednisolone
What is azathioprine, and why would you not use it in horses?
Immunosuppressant
Has side-effects on the liver, and very expensive (large dose in horse)
What is the active ingredient in Atopica?
Why would you not use it in horses?
Atopica - cyclosporine A, is a calcineurin inhibitor
Immunosuppressant
The dose in a horse would be very expensive!
What it the prognosis for MEED?
Extremely poor
What clinical signs would you expect with MEED?
Diarrhoea and severe weight loss
Inflammatory bowel disease
Liver infiltration with eosinophils
What diagnostic test would you perform to check for parasites?
Coat brushing
What test can you use to find what a horse is allergic to?
Intra-dermal allergy testing
diet trials are hard to do in horses
When taking a biopsy of the coronary band, where would you sample?
Shave biopsy: Dorsal coronary band (not punch as will affect horn growth)
Punch biopsy: Caudal heel bulb
How would you treat coronitis?
Autoimmune condition that affects the horn growth:
Corticosteroids, biotin and supplementation
What sampling methods would you choose for a crusty non-pruritic horse?
Biopsy
Cytology (pick a scab and smear the discharge underneath)
Do these FIRST before bathing and clipping
Do you scrub the are before taking a skin biopsy?
NO!
What is Pemphigus foliaceous? And treatment?
Auto-immune disorder
Presents with crusting over the entire body
Corticosteroids
How does the prognosis of Pemphigus foliaceous differ depending on age?
The prognosis is better for younger horses, often resolves with treatment and doesn’t return
Risk of non-response to treatment in older horses –> PTS
What is the best treatment for melanoma around the anal region?
Surgical removal
