Rapid Review: Dermatology Flashcards
“Stuck-on” appearance
Seborrheic keratosis
Red plaques with silvery-white scales and sharp margins
Psoriasis
The most common type of skin cancer; the lesion is a pearly-colored papule with a translucent surface and telangiectasias
Basal cell carcinoma
Honey-crusted lesions
Impetigo
A febrile patient with a history of diabetes presents with a red, swollen, painful lower extremity
Cellulitis
+ Nikolsky’s sign
Pemphigus vulgaris
- Nikolsky’s signs
Bullous pemphigoid
A 55-year-old obese patient presents with dirty, velvety patches on the back of the night
Acanthosis nigricans. Check fasting blood glucose to rule out diabetes
Dermatomal distribution
Varicella zoster
Flat-topped papules
Lichen planus
Iris-like target lesions
Erythema multiforme
A lesion characteristically occurring in a linear pattern in areas where skin comes into contact with 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
Four characteristics of a nevus suggestive of melanoma
Asymmetry, border irregularity, color variation, 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. Treat conservatively with bathing and mositurizing agents
Associated with propionibacterium acnes and changes in androgen levels
Acne vulgaris
A 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 with varying degrees of scaling or ulceration; the second most common type of skin cancer
Squamous cell carinoma
