Derm Flashcards
Senile purpura is what?
Benign leakage of blood into the epidermis of some elderly pts
What is intertrigo?
is an inflammation (rash) of the body folds (adjacent areas of skin). d/t a breakdown of cells with
What is a commom complication of intertrigo?
Fungal infx
What is eresiphilus?
Well demarcated Infx of the outer layer of the skin (usually strep or staph)
Tiny vesicles on a red base in a dermatomal pattern = ?
Herpes zoster
Tzanck smear is used for what?
Herpes infx
What are the two agents to treat pain with herpes zoster?
Gabapentin + NSAID
Lichen simplex chronicus = ?
Hypertrophy of the skin d/t chronic scratching
What is the treatment for lichen simplex chronicus?
Corticosteroids
What are the two major drugs to treat skin problems?
- low potency 1% hydrocortisone cream
- moderate potency 0.1% triamcinolone cream
Stasis dermatitis = ?
Darkening of the skin d/t incompetent valves and hemosiderin
What is the treatment for stasis dermatitis?
Lotion + support hoes (corticosterone if there is inflammation)
What is eczema craquele?
Solar induced keratosis benign, but may progress to skin CA
Actinic keratosis can lead to what?
Basal cell carcinoma
What are “liver spots”?
Lentigo senilis– benign macules d/t sun exposure
Actinic Cheilitis = ? Why can it be concerning?
Inflammation of the lips caused by exogenous factors such as dryness (chapping) and acute sun exposure.
Concerning since it may progress to basal cell carcinoma
What is the cause of angular cheilitis?
Saliva caught there, causing a form of impetigo
Chondrodermatitis nodularis helicis = ?
localized trauma to the ear
What is the treatment for chondritis?
Don’t sleep on that side
What is the one area in derm that needs an H&P?
Bullous pemphigoid
What is Bullous pemphigoid
an acute or chronic autoimmune skin disease, involving the formation of blisters, more appropriately known as bullae, at the space between the skin layers epidermis and dermis. It is classified as a type II hypersensitivity reaction, with the formation of anti-hemidesmosome antibodies formed.
Know the ABCDEs of skin.
Asymmetry Borders irregular Colorations Diameter >6 mm Evolution
True or false: Seborrheic keratosis never progress to cancer
True
What is the presentation of a basal cell CA?
Macule with irregular borders that bleeds easily
What is “adult acne”?
Rosacea
What are the symptoms of rosacea?
Erythematous rash over the face
What is the treatment for rosacea?
ABx
What is Necrobiosis lipoidica?
a necrotising skin condition that usually occurs in patients with diabetes
What can scabies imitate?
Herpes zoster
Papularvesicular rash in the webspaces and around the waist is what?
Scabies until proven otherwise
What can aggravate rosacea?
Sunshine
Fluoride
