Chapter 16 Pathology Part 2

Question 1

Urticaria (hives) (!!!)

Answer 1

Acute allergic reaction in which red, round wheals develop on the skin

Question 2

Vitiligo

Answer 2

Loss of pigment (depigmentation) in areas of the skin (milk-white patches). This is a form of Leukoderma.

Question 3

Callus (!!!)

Answer 3

Increased growth of cells in the keratin layer of the epidermis due to friction or pressure against the skin.

Question 4

Keloid (!!!)

Answer 4

Hypertrophied, thickened scar after trauma or surgery (surgical incision)

Question 5

Keratosis (!!!)

Answer 5

Thickened and rough lesion of the epidermis; associated with aging or skin damage

Question 6

Leukoplakia (!!!)

Answer 6

White, thickened patches on tongue or cheek. Evolves to squamous cell carcinoma.

Question 7

Nevus (!!!)

Answer 7

1. Pigmented lesion of the skin

2. Known as “mole.” Dysplastic nevi = atypical mole! Benign, unusual-looking mole.

Question 8

Verruca (!!!)

Answer 8

Epidermal growth (wart) caused by a virus

Question 9

Basal cell carcinoma

Answer 9

Malignant tumor of the basal cell layer of the epidermis

Question 10

Squamous cell carcinoma

Answer 10

Malignant tumor of the squamous epithelial cells in the epidermis

Question 11

Malignant melanoma

Answer 11

Cancerous growth composed of melanocytes

Question 12

Kaposi sarcoma

Answer 12

Malignant, vascular, neoplastic growth characterized by cutaneous nodules