7 - Non Inflammatory Alopecia Flashcards
Who does not have androgen responsive hair folllicles
Dogs
Dogs do not grow hair in the presence of
Testosterone
Dogs do not lose hair in response to
Testerosterone
Singalmenet for hyperandrogenism
Intact males, hyperplasia of circumanal glands, tail gland hyperplasia, seborrhea olesosa
Alopecia X
Hair cycle arrest of plush coated dogs
Alopecia X occurs in
Plush coated breeds
Signlament of Alopecia X
Adults 1 - 10 years of age, loss of hair on the trunk, hyperpigmentation, not ill, not Cushing
Alopecia spares what areas of the dogs body
Head and distal extremities
What must be ruled out first in Alopecia diagnosis
Hypothyroidism and hypercortisolemia
Biopsy of Alopecia can only tell us hair loss is
Compatiable wtih non inflammatory Alopecia
Defect in Alopecia appears to be in
Anagen initation of teh hair cycle at the level of the follicle
What are some ways to treat Alopecia
Responsive dermatitis, neutering, growth hormone, testosterone, lysodren
How does melatonin help with Alopecia
Results in some degree of hair regtowth
Melatonin treatment is recommended only after
Neutering
If you treat a dog with diabetes wiht melatonin can cause
Insulin resistance
Medroxyprogesterone acetate
Treatment for alopecia in 50% but doesn’t correct the defect inhibiting anagen initation
What can happen with dachshunds with pattern alopecia
Pinna alopecia
Where does patterned alopecia occur on Boston terriers and dachshunds
Ventral and caudal alopecia
Grey hounds get what pattern alopecia
Caudal thigh
Cyclic flank alopecia
Seasonal truncal alopecia
What breeds are predisposed to cyclic flank alopecia
Airedale, boxer, English bulldog, French bulldog
Clinical signs of cyclic flank alopecia
1.4 - 4.5 year , symmetrical, hyperpigmented
Hair usually grows back when with post clipping alopecia
Within 1 year
Telogen delusion
Hair loss 1 -3 months after stressful incident or illlness
Normal shed cycle is when
Spring and fall
How to treat excessive shedding
Regular grooming, diet change, adjust light and or temperature
What causes loss of hair
Traumatic removal, spontaneous falling out, lack of new hair growth
What inflammatory conditions causes hair to fall out
Pyoderma, demodicosis, dermatophytosis
Chinese crested
True follicular dysplasia
Congenital hypotrichosis
Born without normal pelage or hair loss in first 6 months, non inflammatory
Congenital hypotrichosis
Born without normal pelage or hair loss in first 6 months, non inflammatory
Color dilution alopecia involves defect with
Melanie action
Endocrine causes of hair loss
Hypothyroidism, cushions, hyperestrogenism
Canine hypothyroidism
Alopecia in areas of wear - pressure points or collar area
Estrogen inhibits
Anagen initation
