M3E Skin Pathology

Question 1

crust

Answer 1

collection of dried serum and cellular debris

Question 2

cyst

Answer 2

thick-walled, closed sac or pouch containing fluid or semisolid material

Question 3

erosion

Answer 3

wearing away or loss of epidermis

Question 4

fissure

Answer 4

groove or crack-like sore

Question 5

macule

Answer 5

flat, pigmented lesion measuring less than 1 cm in diameter

Question 6

nodule

Answer 6

solid, round or oval elevated lesion 1 cm or more in diameter

Question 7

papule

Answer 7

small (less than 1 cm in diameter), solid elevation of the skin

Question 8

pustule

Answer 8

papule containing pus

Question 9

ulcer

Answer 9

open sore on the skin or mucous membranes

Question 10

vesicle

Answer 10

small collection of clear fluid; blister

Question 11

alopecia

Answer 11

absence of hair from areas where it normally grows

Question 12

ecchymosis

Answer 12

bluish-purple mark on the skin

Question 13

petechia

Answer 13

small, pinpoint hemorrhage

Question 14

pruritus

Answer 14

itching

Question 15

acne

Answer 15

chronic papular and pustular eruption of the skin with increased production of sebum

Question 16

burns

Answer 16

injury to tissues caused by heat contact

Question 17

cellulitis

Answer 17

diffuse, acute infection of the skin marked by local heat, redness, pain, and swelling

Question 18

eczema (atopic dermatitis)

Answer 18

inflammatory skin disease with erythematous, papulovesicular, or papulosquamous lesions

Question 19

exanthematous viral diseases

Answer 19

rash of the skin due to a viral infection

Question 20

gangrene

Answer 20

death of tissue associated with loss of blood supply

Question 21

impetigo

Answer 21

bacterial inflammatory skin disease characterized by vesicles, pustules, and crusted-over lesions

Question 22

psoriasis

Answer 22

chronic, recurrent dermatosis marked by itchy, scaly, red plaques covered by silvery gray scales

Question 23

scabies

Answer 23

contagious, parasitic infection of the skin with intense pruritus

Question 24

scleroderma

Answer 24

chronic progressive disease of the skin and internal organs with hardening and shrinking of connective tissue

Question 25

systemic lupus erythematosus (SLE)

Answer 25

chronic autoimmune inflammatory disease of collagen in skin, joints, and internal organs

Question 26

tinea

Answer 26

infection of the skin caused by a fungus

Question 27

urticaria (hives)

Answer 27

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

Question 28

vitiligo

Answer 28

loss of pigment in areas of the skin

Question 29

callus

Answer 29

increased growth of cells in the keratin layer of the epidermis caused by pressure or friction

Question 30

keloid

Answer 30

excess hypertrophied, thickened scar developing after trauma or surgical incision

Question 31

keratosis

Answer 31

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

Question 32

leukoplakia

Answer 32

white, thickened patches on mucous membrane tissue of the tongue or cheek evolves to squamous cell carcinoma

Question 33

nevus

Answer 33

pigmented lesion of the skin

Question 34

verruca

Answer 34

epidermal growth (wart) caused by a virus

Question 35

basal cell carcinoma

Answer 35

malignant tumor of the basal cell layer of the epidermis

Question 36

squamous cell carcinoma

Answer 36

malignant tumor of the squamous epithelial cells in the epidermis

Question 37

malignant melanoma

Answer 37

cancerous growth composed of melanocytes

Question 38

Kaposi sarcoma

Answer 38

malignant, vascular, neoplastic growth characterized by cutaneous nodules