Clinical Approach to Alopecia Flashcards
what is hypotrichosis?
decreased amount of hair
what is ischemic dermatopathy syndrome?
autoimmune vasculopathy of small blood vessels
why does self-induced alopecia occur?
pruritus
what is inflammatory alopecia/folliculitis typically associated with?
other lesions: crusts, papules, pustules, plaques, nodules
what is leukotrichia?
lack of pigment of hair
how does inflammatory alopecia occur?
bulbitis
how does noninflammatory alopecia occur?
impaired hair cycle
what can cause abnormal development of hair follicle/hair shaft?
ectodermal follicular dysplasia
neuroectodermal follicular dysplasia
what are some primary follicular atrophy causes?
ischemic disorders
scarring
what would indicate a non-endocrinopathic cause to noninflammatory alopecia?
young
breed predisposition
no systemic signs
what are the vessels like causing ischemia?
small diameter
primary injury blood vessel wall leads to compromise
what ischemic dermatopathy syndromes are described in dogs?
familial dermatomyositis in collies, shetland sheepdogs, related
juvenile-onset ischemic dermatopathy without proven breed predilection
focal post-rabies vaccination reaction
generalized vaccine-induced ischemic dermatopathy
adult-onset generalized idiopathic ischemic dermatopathy
what does edema/hemorrhage lead to?
crusts
exudation
what does cell-poor interface dermatitis lead to?
ulceration
scarring
who gets canine familial dermatomyositis?
collies
shetland sheepdogs
related breeds
