Primary Skin Lesions

Question 1

Flat, circumscribed, change in color from surrounding skin. <.5cm

Answer 1

Macule (Freckles, flat moles)

Question 2

Flat, non palpable, irregularly shaped macule >1cm

Answer 2

Patch (Vitiligo)

Question 3

Elevated, firm, circumscribed. <.5cm

Answer 3

Papule (Wart, elevated mole)

Question 4

Elevated, firm, rough, flat top, >5.cm

Answer 4

Plaque (psoriasis, eczema)

Question 5

Elevated, firm, circular. Deeper in tissue than pustule.

Answer 5

Nodule (Lipoma)

Question 6

Elevated and solid, w/ or w/o clear demarcation. Deeper in dermis. >2cm.

Answer 6

Tumor (Lipoma, benign tumors)

Question 7

Elevated, irregular shaped, solid, transient, variable size.

Answer 7

Wheals (Insect bites, hives)

Question 8

Elevated, circular, superficial, serous fluid filled. <.5cm

Answer 8

Vesicle (Blister)

Question 9

Vesicle >.5cm

Answer 9

Bulla (Blister)

Question 10

Elevated, superficial, similar to vesicle, but filled pus filled.

Answer 10

Pustule (Acne)

Question 11

Elevated, circular, encapsulated, filled with liquid or semisolid material. Found in dermis or subQ layer.

Answer 11

Cyst (Sebaceous cyst).