(27) - Equine Aural Plaque

Question 1

1. Aural plaque is a common skin disease of horses that occurs throughout the United States.
2. predilection?

Answer 1

2. no

Question 2

1. aural plaques caused by what?

2. what is vector?

Answer 2

1. papilloma virus

2. black flies

Question 3

1. The lesions consist of one to several gray or white plaques involving what area of ear?
2. The superficial portion of the plaques is composed of a keratinous crust that can be dislodged, revealing a pink nonulcerated base
3. The plaques may not cause any discomfort to the horse; however, some horses will not allow their heads to be touched or owners may have problems putting the bridle or halter on.

Answer 3

1. inner surface of the pinnae

Question 4

1. If the horse’s ear itches, do what?
2. lesions tend to regress?
3. Identical lesions have occasionally occurred around the anus and vulva.

Answer 4

1. look for another problem!

2. Lesions tend to persist indefinitely.

Question 5

1. Diagnosis is based on what?
2. Horses with aural plaques that are showing signs such as pruritus or head shaking should be thoroughly searched for other causes of ear irritation such as ear ticks, foreign bodies, psoroptes otitis.

Answer 5

1. classic appearance of the lesions.

Question 6

1. Aural plaque is completely asymptomatic to the animal; however it can be cosmetically unpleasant.
2. A variety of topical medications have been used without success.
3. what) has been recently reported to be a very efficacious treatment for aural plaques?
4. Topical tretinoin has temporarily resolved 2 cases.
5. Can conceal with dyes or black markers for show horses.

Answer 6

3. Imiquimod (Aldara)