SDPA- hair, nails, and mucous membranes

_________ is characterized by excessive hair growth that is abnormal for the patient's age, sex, or race. It can occur in any part of the body and is unrelated to hormonal imbalances.

Hypertrichosis

__________ is characterized by the excessive growth of dark, coarse hair in women following a male-pattern distribution, particularly on the face, chest, and back. This condition is typically caused by elevated androgen levels or increased sensitivity of hair follicles to androgens.

Hirsutism

what is androgenetic alopecia

non-scarring hair loss seen in men and women

men it is frontal

women it is

telogen effluvium pattern

diffuse throughout the scalp

distinct localized well-defined circumscribed patches of hair loss makes you think of which non-scarring alopecia

alopecia areata

____________ is characterized by the rapid shedding of actively growing hair commonly caused by chemotherapy drugs and other powerful medications

anagen effluvium

moth-eaten appearance of alopecia is likely what condition

secondary syphilis

This condition occurs due to the hormonal effects of dihydrotestosterone (DHT), converted from testosterone by 5-alpha reductase

androgenetic alopecia

what two options are there for male androgenic alopecia

minoxidil or finasteride

labs for androgenic alopecia

TSH

Zinc

Ferritin

what type of alopecia is commonly associated with autoimmune conditions, including atopy, thyroid disorders, inflammatory bowel disease, and vitiligo.

alopecia areata

what should you look for on scalp exam

crusting? → KOH

difference between alopecia totalis vs alopecia universalis

totalis- entire scalp

universalis- multiple regions (scalp, eyebrows, eyelashes etc)

what is the treatment for alopecia areata

topical and intralesional steroids

Clobetasol topically

Can add topical minoxidil

Patchy or diffuse alopecia with hairs of varying lengths is a key indicator of what

trichotillomania

what area is spared in trichotillomani

occiput

what is postoperative alopecia

area where they were laying during surgery lost bloodflow leading to hair loss, usually comes back in a couple of months

what is CCCA

progressive scarring alopecia that affects mainly black women

hair loss starts at the crown and radiates outward

this type of scarring alopecia is a chronic inflammatory condition causing patchy hair loss and scalp scarring, often accompanied by itching and discomfort.

lichen planopilaris

Who is CCCA seen in most

due to hair relaxants, black women

how to treat CCCA

Topical steroid and ILK

mild cases- oral doxy

severe- rifampin and oral clinda

what is the expected improvement after treatment for CCCA

30-50% regrowth

what do you see in LPP

perifollicular erythema and scale

how to treat LPP

first line- topical and intralesional steroids

-hydroxychloroquine

oral retinoids

MMF

what kind of hair loss resembles “footprints in the snow”

pseudopelade

_______is an autoimmune condition characterized by well-defined, scarring lesions on the scalp, which can result in permanent hair loss

discoid lupus erythematosus(DLE)

acne keloidalis nuchae (acne keloidalis) is treated how (when mild vs severe)

mild- topical steroid for smaller lesions

larger lesions- ILK

if active pustules present- start oral doxy x1month

what is the type of hair loss that has pustules around the hair follicles and leads to scarring and permanent hair loss

folliculitis decalvans

you see a fibrotic erythematous alopecia plaque with polytrichia, what is the diagnosis

folliculitis decalvans

how do you treat folliculitis decalvans

doxycycline

if ineffective, could start dapsone

______ is a severe form of scalp inflammation characterized by painful nodules and abscesses.

dissecting cellulitis

where is dissecting cellulitis seen and in which patient population

black male patients

multiple firm nodules on the scalp (crown and vertex but can also affect the occiput)

boggy, fluctuant with discharge

what is the follicular occlusion tetrad

dissecting cellulitis

hidradenitis suppurativa

acne conglobata

pilonidal cysts

how do you treat dissecting cellulitis

ILK

doxy

I&D

what is this

top- dissecting ceullitis

bottom- acne keloidalis nuchae