Skin: Secondary Lesions

Question 1

Crust

Answer 1

Thickened, dried out exudate.

Question 2

Fissure

Answer 2

Linear crack with abrupt edges, opening is quite deep down (athletes foot)

Question 3

Scale

Answer 3

Compact flakes of skin from shedding of dead keratin cells

Question 4

Erosion

Answer 4

Scooped out, shallow depression, superficial, heals without scar tissue because doesn’t extend into dermis.

Question 5

Ulcer

Answer 5

Deeper depression, into dermis. Irregular shape, may bleed, leaves scar when healing.

Question 6

Excoriation

Answer 6

Self inflicted abrasion, superficial, ex. Scratches from intense itching.

Question 7

Scar

Answer 7

Connective tissue that replaces normal tissue after skin is repaired.

Question 8

Atrophic scar

Answer 8

Depression if skin level as a result of tissue loss (striae)

Question 9

Lichenification

Answer 9

Thickening of skin, tightly packed applies, from prolonged intense scratching. Looks like moss.

Question 10

Keloid

Answer 10

Hypertrophic scar, elevated, extended, elevation of skin level by excess scar tissue