Ch. 3 Symptomatic Terms (Primary & Secondary Lesions)

Question 0

primary lesion

Answer 0

lesions arising from previously normal skin

Question 1

lesion

Answer 1

an area of pathologically altered tissue; the two types of lesions are primary and secondary

Question 2

macule, macula

Answer 2

a flat, discolored spot on the skin up to 1 cm across (e.g., a freckle)

Question 3

patch

Answer 3

a flat, discolored area of the skin larger than 1 cm (e.g.,vitiligo)

Question 4

papule

Answer 4

a solid mass on the skin up to 0.5 cm in diameter (e.g., a nevus [mole])

Question 5

plaque

Answer 5

a solid mass greater than 1 cm in diameter and limited to the surface of the skin

Question 6

nodule

Answer 6

a solid mass greater than 1 cm that extends deeper into the epidermis

Question 7

tumor

Answer 7

a solid mass larger than 1-2 cm

Question 8

wheal

Answer 8

an area of localized skin edema (swelling) (e.g., a hive)

Question 9

vesicle

Answer 9

little bladder; an elevated, fluid-filled sac (blister) within or under the epidermis up to 0.5 cm in diameter (e.g., fever blister)

Question 10

bulla

Answer 10

a blister larger than 0.5 cm (e.g., second-degree burn)(bulla = bubble)

Question 11

pustule

Answer 11

a pus-filled sac (e.g., pimple)

Question 12

secondary lesions

Answer 12

lesions that result from changes in primary lesions

Question 13

erosion

Answer 13

gnawed away; loss of superficial epidermis, leaving an area of moisture but no bleeding (e.g., area of moisture after the rupture of a vessel)

Question 14

ulcer

Answer 14

an open sore on the skin or mucous membrane that can bleed and scar; sometimes accompanied by infection (e.g., decubitus ulcer)

Question 15

excoriation

Answer 15

a scratch mark

Question 16

fissure

Answer 16

a linear crack in the skin

Question 17

scale

Answer 17

a thin flake of exfoliated epidermis (e.g., dandruff)

Question 18

crust

Answer 18

a dried residue of serum (body liquid), pus, or blood on the skin (e.g., as seen in impetigo)

Question 19

vascular lesions

Answer 19

lesions of a blood vessel

Question 20

cherry angioma

Answer 20

a small, round, bright red blood vessel tumor on the skin, often on the trunk of the elderly

Question 21

telangiectasia; spider angioma

Answer 21

a tiny, red blood vessel lesion formed by the dilation of a group of blood vessels radiating from a central arteriole, most commonly on the face, neck, or chest (telos = end)

Question 22

purpuric lesion

Answer 22

purpura; lesions resulting from hemorrhages into the skin

Question 23

petechia

Answer 23

spot; reddish-brown, minute hemorrhagic spots on the skin that indicate a bleeding tendency; a small purpura

Question 24

ecchymosis

Answer 24

bruise; a black and blue mark; a large purpura (chymo=juice)

Question 25

cicatrix of the skin

Answer 25

a mark left by the healing of a sore or wound, showing the replacement of destroyed tissue by fibrous tissue (cicatrix = scar)

Question 26

keloid

Answer 26

an abnormal overgrowth of scar tissue that is thick and irregular (kele = tumor)

Question 27

epidermal tumors

Answer 27

skin tumors arising from the epidermis

Question 28

nevus

Answer 28

a congenital malformation on the skin that can be epidermal or vascular; also called a mole

Question 29

dysplastic nevus

Answer 29

a mole with precancerous changes

Question 30

verruca

Answer 30

an epidermal tumor caused by papilloma virus, also called a wart