Integumentary System Primary Lesions

Question 0

Papule

Answer 0

Elevated lesion
Solid, elevated lesion less than 1 cm in diameter that may be the same color as the skin or pigmented (exa: nevus wart, pimple, ringworm, psoriasis, eczema

Question 1

Macule

Answer 1

Flat pigmented, circumscribed area less than 1 cm in diameter (exa: freckle, flat mole, or rash that occurs in rubella)

Question 2

Vesicle

Answer 2

Elevated lesion (fluid filled)
Elevated, circumscribed, fluid filled lesion less than 0.5 cm in diameter (exa: poison ivy, shingles)

Question 3

Nodule

Answer 3

Elevated lesion
Palpable, circumscribed lesion; larger and deeper than a papule (0.6 to 2 cm in diameter); extends into the dermal area (exa: intradermal nevus, benign or malignant tumor)

Question 4

Pustule

Answer 4

Elevated lesion (fluid filled)
Small, raised, circumscribed lesion that contains pus; usually less than 1 cm in diameter (exa: acne, furuncle, pustular psoriasis, scabies)

Question 5

Tumor

Answer 5

Solid, elevated lesion larger than 2 cm in diameter that extends into the dermal and subcutaneous layers. (exa: lipoma, steatoma, dermatofibroma, hemangioma)

Question 6

Bulla

Answer 6

Elevated lesion (fluid filled)
A vesicle or blister larger than 1 cm in diameter (exa: second degree burns, severe poison oak)

Question 7

Wheal

Answer 7

elevated lesion
Elevated, firm, rounded lesion with localized skin edema that varies in size, shape, and color; paler in the center than its surrounding edges; accompanied by itching (exa: hives, insect bites)

Question 8

Excoriations

Answer 8

Depressed lesion (secondary)
Linear scratch marks or traumatized abrasions or the epidermis (exa: scratches, abrasions, chemical or thermal burns)

Question 9

Fissure

Answer 9

Depressed (Secondary)

Small slit or crack like sore that extends into the dermal layer; could be caused by continuous inflammation and drying

Question 10

Ulcer

Answer 10

Depressed lesion (secondary)
An open sore or lesion that extends to the dermis and usually heals with scarring (exa: pressure sore, basal cell carcinoma)