Dermatology Flashcards
“Stuck-on” appearance
Seborrheic keratosis
Red plaques with silvery-white scales and sharp margins
Psoriasis
Most common type of skin cancer; the lesion is a pearly-colored papules w/ a translucent surface and telangiectasias
Basal cell carcinoma
Honey-crusted lesions
Impetigo
A febrile pt w/ a hx of diabetes presents w/ a red, swollen, painful lower extremity
Cellulitis
(+) Nikolsky’s sign
Pemphigus vulgaris
(-) Nikolsky’s sign
Bullous pemphigoid
55 y/o obese pt presents with dirty, velvety patches on the back of the neck
Acanthosis nigricans. Check fasting BG to r/o diabetes
Dermatomal distribution
Varicella zoster
Flat-topped papules
Lichen planus
Iris-like target lesions
Erythema multiforme
Lesion characteristically occurring in a linear pattern in areas where skin comes into contact w/ clothing or jewelry
Contact dermatitis
Presents with a herald patch, Christmas-tree pattern
Pityriasis rosea
Pinkish, scaling, flat lesions on the chest and back; KOH prep has a “spaghetti-and-meatballs” appearance
Tinea (pityriasis) versicolor
4 characteristics of a nevus suggestive of melanoma
Asymmetry, border irregularity, color variation, and large diameter
A premalignant lesion from sun exposure that can lead to squamous cell carcinoma
Actinic keratosis
“Dewdrops on a rose petal”
Lesions of primary varicella
“Cradle cap”
Seborrheic dermatitis. Tx conservatively w/ bathing and moisturizing agents
A/w Propionibacterium acnes and changes in androgen levels
Acne vulgaris
Painful, recurrent vesicular eruption of mucocutaneous surfaces
Herpes simplex
Inflammation and epithelial thinning of the anogenital area, predominantly in postmenopausal women
Lichen sclerosus
Exophytic nodules on the skin w/ varying degrees of scaling or ulceration; 2nd most common type of skin cancer
Squamous cell carcinoma
