Dermaololgy Flashcards
Red plaques with silvery-white scales and sharp margins
Psoriasis
MC type of skin CA; lesion is a pearly-colored papule with a translucent surface and telangiectasias
BCC
Honey-crusted lesion
Impetigo
Febrile pt with h/o diabetes presents with a red, swollen, painful LEx
Cellulitis
(+) Nikolsky’s sign
Pemphigus vulgaris
(-) Nikolsky’s sign
Bullous pemphigoid
55 yo 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 with clothing or jewelry
Contact dermatitis
Presents with a herald patch, Christmas tree pattern
Pityriasis rosea
16 yo presents with an annular patch of alopecia with broken-off, stubby hairs
Alopecia areata (an autoI process)
Pinkish, scaling, flat lesions on the chest and back; KOH prep has a “spaghetti-and-meatballs” appearance
Pityriasis versicolor
4 characteristics of a nevus suggestive of melanoma
“ABCD”: Asymmetry, Border irregularity, Color variation, Diameter large
Premalignant lesion from sun exposure that can lead to SqCC
Actinic keratosis
“Dewdrops on a rose petal”
Lesions of 1˚ varicella
“Cradle cap”
Seborrheic dermatitis. Tx with antifungals.
A/w Propionibacterium acnes and ∆s 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 F
Lichen sclerosus
Exophytic nodules on the skin with varying degrees of scaling or ulceration; 2nd MC type of skin CA
SqCC
“Stuck-on” appearance
Seborrheic keratosis
