Disorders of the Hair and Scalp Flashcards
Localized loss of hair in round or oval areas without any visible
inflammation of the skin in hair-bearing areas
The most common presenting site is the scalp
Well demarcated
Exclamation point hairs
Equal in both sexes
Etiology unknown, possibly autoimmune
Alopecia Areata
What are some associated findings in patients with alopecia areata?
Hashimotos thyroiditis
Vitiligo
Myasthenia gravis
In cases of alopecia areata, what is the most common presenting site?
The most common presenting site is the scalp
What condition do you need to rule out in a suspected case of alopecia areata?
Rule out tinea capitas
What are some treatment options for alopecia areata?
May resolve on its own - Suddenly, or can last months to years
Trial of topical (usually not effective) or intralesional steroids (Triamcinolone)
Systemic steroids
Cyclosporine?
PUVA
Androgenetic Alopecia is also known as what?
Male Pattern Baldness
Common progressive balding that occurs through the combined effect of genetic predisposition and action of androgen (DHT) on scalp hair follicles
Can also present as hereditary hair thinning in females
Hair loss typically in a horseshoe pattern
Androgenetic Alopecia
Bitemporal thinning
Increasing frontal loss
Occipital alopecia sparing in a band around the sides and lower
occiput
Female pattern begins on crown
Androgenetic Alopecia
What are some treatment options for men who have androgenetic alopecia?
Finasteride
Topical minoxidil
What are some treatment options for women who have androgenetic alopecia?
Anti-androgens - Spironolactone
Patches of scalp alopecia with scale, broken off “black dot” hair pattern
Kerion formation draining pus from honeycomb pattern openings
Requires systemic treatment (Assess LFTs prior to treatment)
Tinea Capitus
