Dermatology Flashcards
Why should actinic keratosis be treated?
It may progress to squamous cell carcinoma.
What is first line treatment for rosacea?
Metronidazole, tetracycline is probably a close second.
Where are 90% of basal cell lesions found on the body?
On the head and neck
Purple, pruritic, polygonal, papules on physical exam should make you think of what diagnosis?
Lichen planus
What are the ABC’s of melanoma?
- Asymmetry,
- Border,
- Color,
- Diameter,
- Elevation/irregularity, evolving
A positive Auspitz sign should make you think of what diagnosis?
Psoriasis
What is the key indicator for the prognosis of melanoma?
Thickness of the lesion
What is the treatment for melanoma?
Wide local excision
A waxy stuck on appearance should make you think of what diagnosis?
Seborrheic keratosis
A 5 year old presents in early January with a red itchy rash behind his knees. You notice it on the flexor surfaces of his elbows as well. What is the most likely diagnosis?
Atopic dermatitis
The term satellite lesion should make you think of what diagnosis?
Candida diaper rash
Coin-shaped plaques should make you think of what diagnosis?
Nummular eczema
A 30 year old female presents with pustules on her face that spare the vermilion border. In her history she has been using topical steroids. What is the most likely diagnosis?
Perioral dermatitis
A patient presents with flaky skin in the nasolabial folds and in her hair. What is the most likely diagnosis?
Seborrheic dermatitis
How do you treat a stasis dermatitis?
Compression stockings
Tapioca blisters should make you think of what diagnosis?
Dyshidrosis - these are usually on the hands and feet
How do you treat dyshidrosis?
Topical steroids
Giant cells on a Tzanck smear should make you think of what diagnosis?
Herpes simplex virus
How do you treat lichen simplex chronicus?
Get the patient to stop scratching it.
A herald patch should make you think of what diagnosis?
Pityriasis rosea