Lesions Flashcards Preview

Medical Conditions II > Lesions > Flashcards

Flashcards in Lesions Deck (22):
1

Macule

-Flat
-Pigmented
-Circumscribed
-<1 cm

(ex. freckle, measles, moles)

2

Patch

-flat
-pigmented
-non-circumscribed
->1 cm

(ex. port-wine stains, cafe au lait spots)

3

Papule

-firm
-raised
-<1 cm
-same color as skin

(-Ex. wart, elevated mole)
(possibly inflammatory)

4

Nevus

-circumscribed lesion
-birthmark/beauty mark

5

Plaque

-silvery
-elevated
-firm
-rough lesion
-flat-top
->1 cm

-(psoriasis)

6

Scale

-heaped up, keratinized cells
-flaky skin
-irregular
-thick/thin, dry/oily
-various size

7

Lichenification

-rough, thickened epidermis
-secondary to persistent rubbing/itching/irritation
-flexor surface

-(ex. chronic dermatitis/skin inflam)

8

Wheal

-raised
-firm lesion
-intense localized skin edema
-disappears in hours
-varying size/shape

(Ex. bug bite/allergic reaction)

9

Vesicle

-raised
-circumscribed
-fluid filled
-<1 cm

-(ex. vericella-chicken pox)

10

Pustule

-same as vesicle but filled with purulent fluid

-(ex. acne)

11

Nodule

-firm
-raised
-1-2 cm
-extends into dermis

-(Ex. lipoma)

12

Cyst

-elevated
-circumscribed
-encapsulated lesion
-dermis/subq layer
-filled with fluid/semisolid material

-(ex. sebaceous cyst)

13

Bulla

-raised
-circumscribed
-fluid filled
->1 cm

-(ex. blister)

14

Scar

-evidence of prior tissue damage
-solely connective tissue
-doesn't extend beyond borders of original wound

15

Keloid

-evidence of prior tissue damage
-solely connective tissue but highly active
-beyond borders of original wound

16

Erosion

-loss of part of epidermis
-depressed, moist, glistening
-can follow rupture of vesicle or bulla

17

Telangiectasia

-fine irregular lines produced by capillary dilation

-(ex. rosacea, spider veins)

18

Excoriation

-loss of epidermis
-linear
-hollowed out
-crusted

-(Ex. abrasion/scratch)

19

Fissure

-linear crack/break from epidermis to dermis
-may be moist/dry

-(ex. athlete's foot)

20

Scar

-thin/thick fibrous tissue that replaces normal skin following injury or laceration to dermis

21

Keloid

-irregular shaped, elevated, progressively enlarging scar
-grows beyond boundries of wound
-excess collagen formation

22

Tumor

-elevated, solid lesion
-clearly demarcated
-deeper in dermis
-greater than 2cm diameter

-(ex. neoplasms, hemangioma)