Download Skin Lesions: Classification, Types, and Complications and more Exercises Personal Health in PDF only on Docsity! GNUR 238-exam 2 skin lesions Questions and Answers. macule - primary skin lesion; flat, circumscribed lesion of the skin or mucous membrane that is a change in the color of the skin; less than 1cm in diameter; ex) freckles, flat moles (nevi) papule - primary skin lesion; elevated, firm, circumscribed area less than 1 cm in diameter; ex) wart (verruca), elevated moles, skin tag patch - primary skin lesion; flat, no palpable, irregular-shaped macule more than 1cm in diameter; ex) birth marks, vitiligo plaque - primary skin lesion; elevated, firm, and rough lesion with flat top; surface greater than 1 cm in diameter; wheal - primary skin lesion; elevated irregular shaped area of cutaneous edema; solid, transient; variable diameter; ex) insect bites, allergic reaction, lupus nodule - primary skin lesion; elevated, firm, solid, circumscribed lesion; deeper in dermis than papule; 1-2cm in diameter; ex) melanoma, dermatofibroma erythema tumor - primary skin lesion; elevated & solid lesion; may or may not be clearly demarcated; deeper in dermis; greater than 2cm in diameter ex) neoplasms vesicle - primary skin lesion; elevated, circumscribed, superficial, not into dermis; filled with serous fluid; less than 1cm in diameter ex) varicella, shingles, impetigo bulla - primary skin lesion; elevated, circumscribed, fluid-filled lesion greater than 1 cm in diameter; ex) blister pustule - primary skin lesion; elevated, superficial lesion; similar to vesicle but filled with purulent fluid (pus); ex) acne, folliculitis cyst - primary skin lesion; elevated, circumscribed, encapsulated lesion; in dermis or subcutaneous layer; filled with liquid or semisolid material; scale - secondary skin lesion; heaped-up keratinized cells; flaky skin, irregular, thick or thin, dry or oily; variation in size; ex) flaking of skin w/ seborrheic dermatitis, dry skin, eczema lichenification - secondary skin lesion; rough, thickened epidermis secondary to persistent rubbing, itching, or skin irritation; often involves flexor surface of extremity; ex) chronic dermatitis keloid - secondary skin lesion; irregular-shaped, elevated, progressively enlarging scar; grows beyond the boundaries of the wound; prevalent in nonwhite races; ex) formation after surgery scar - secondary skin lesion; thin-to-thick fibrous tissue that replaces normal skin following injury or laceration to the dermis; ex) healed wound or surgical incision excoriation - secondary skin lesion; loss of the epidermis; liner hollowed-out crusted area; ex) abrasion or scratch, scabies fissure - secondary skin lesion; linear crack or break from the epidermis to the dermis; may be moist or dry; ex) athletes foot, cracks at corner of mouth, chapped hands crust - secondary skin lesion; dried drainage or blood; slightly elevated, variable size; colors variable- red, black, tan, or mixed; ex) scab on abrasion erosion - secondary skin lesion; loss of part of the epidermis;
