Dermatology1 Flashcards
What is acanthosis nigricans commonly associated with?
hyperinsulinemia, insulin resistance, obesity, endocrine disorders
velvety, Hyperpigmented, papillomatous lesions of the neck and axillae
acanthosis nigricans
Pts with acanthosis nigricans are at risk for what?
metabolic syndrome
Txt for acanthosis nigricans?
weight loss and metformin
What is malignant acanthosis nigricans associated with?
gastric carcinoma
Comedones, pustules, nodules, and cyst
acne vulgaris
What is the txt for acne vulgaris?
topical retinoid + topical abx (tetracylines)
What is the problem with Isotretinoin?
teratogenicty
What precautions should be taken with Isotretinoin?
2 preggo test, and monthly preggo test, and multiple forms of birth control
Yellow-brown scaly patches on sun exposed area rough like sandpaper
Actinic keratosis
What is another name for Actinic keratosis?
Solar keratosis
What can actinic keratosis progress to?
squamous cell carcinoma
What disease is a common consequence of excessive UV light exposure?
actinic keratosis
Epidermal/ dermal cells w/ large hyperchromatic nuclei
actinic keratosis
Txt for actinic keratosis?
Observation, cryosurgery, 5-FU cream or imiquidmod
Hair loss secondary to fungal infection of the scalp?
Tinea capitis
Oval shaped well demarcated hair loss
Alopecia areata
Autoimmune attack against hair follicles?
Alopecia areata
Caused by pulling force being applied to hair
Traction alopecia
thinning or shedding of hair resulting from the entry of hair in telogen phase
Telogen effluvium
Alopecia preceded by a psychological or stressful event?
Telogen effluvium
Typical male pattern baldness?
Androgenic alopecia
What is the most common cause of hair loss in women?
Androgenetic alopecia
Txt for tinea capitis?
Selenium sulfide or ketoconazole
Txt for alopecia areata?
NONE
Txt for traction alopecia?
stop traction hairstyles
Txt for telogen effluvium?
self-limiting, stop meds
Txt for Androgenic alopecia?
Topical minoxidil and oral finasteride
Alopecia areata is associated with?
Addisons dx
Hashimoto
Pernicious anemia
Systemic lupus
What is the disease for “male pattern baldness”?
Androgenetic alopecia
What are two sde of Finasteride?
loss of libido and erectile dysfunction
Which type of hair loss has a genetic component?
Androgenetic alopecia
Pearly papular lesion w/ telangiectasisas, rolled border and a central erosion, with a hx of bleeding
Basal cell carcinoma
Fair skinned individuals w/ hx of sun exposure are at risk for?
basal cell carcinoma
What is the most common cancer in humans?
basal cell carcinoma
Dx of basal cell carcinoma?
shave or punch biopsy
Txt of basal cell carcinoma?
surgery (5-FU or imiquimoid)
