Chapter 24- Skin Lesion Definitions

Question 1

What lesions is described as:

-Traumatic lesions breaking the epidermis and causing a raw linear area, often self limiting

Answer 1

Excoriation

Question 2

What lesions is described as:

-Thickened, rough skin, usually the result of repeated rubbing

Answer 2

Lichenification

Question 3

What lesions is described as:

-Circumscribed, flat lesion distinguished from surrounding skin by color less than 5mm in diameter

Answer 3

Macule

Question 4

What lesions is described as:

-Circumscribed, flat lesion distinguished from surrounding skin by color greater than 5mm in diameter

Answer 4

Patch

Question 5

What lesions is described as:

-separation of the nail plate from nail bed

Answer 5

Onycholysis

Question 6

What lesions is described as:

-elevated dome shaped or flat topped lesion less than 5mm across

Answer 6

Papule

Question 7

What lesions is described as:

-elevated dome or flat topped lesion breather than 5mm in diameter

Answer 7

Nodule

Question 8

What lesions is described as:

-Elevated flat topped lesions, usually greater than 5 mm across

Answer 8

May be caused by coalescent papules

Question 9

What lesions is described as:

-Discrete, pus-filled, raised lesion

Answer 9

Pustule

Question 10

What lesions is described as:

-Dry, horny, platelike,excrescence, usually the result of imperfect cornification

Answer 10

Scale

Question 11

What lesions is described as:

-Fluid filled raise lesion 5mm or less in diameter

Answer 11

Vesicle

*Can be called a blister

Question 12

What lesions is described as:

-Fluid filled raised lesion greater than 5mm in diameter

Answer 12

Bulla

*commonly called blister

Question 13

What lesions is described as:

-itchy, transient, elevated lesions with variable blanching and erythema formed as the result of dermal edema

Answer 13

Wheal

Question 14

What lesions is described as:

-diffuse epidermal hyperplasia

Answer 14

Acanthosis

Question 15

What lesions is described as:

-abnormal, premature keratinization within cells below the stratum granulosum

Answer 15

Dyskeratosis

Question 16

What lesions is described as:

-discontinuity of the skin showing incomplete loss of the epidermis

Answer 16

Erosion

Question 17

What lesions is described as:

-infiltration of the epidermis by inflammatory cells

Answer 17

Exocytosis

Question 18

What lesions is described as:

-intracellular edema of keratinocytes, often seen in viral infections

Answer 18

-Hydropic swelling aka ballooning

Question 19

What lesions is described as:

-hyperplasia of the stratum granulosum, often due to intense rubbing

Answer 19

Hypergranulosis

Question 20

What lesions is described as:

-thicking of the stratum corneum, often associated with qualitative abnormality of the keratin

Answer 20

Hyperkeratosis

Question 21

What lesions is described as:

-a linear pattern of melanocytes proliferation within the epidermal basal cell layer

Answer 21

Lentiginous

Question 22

What lesions is described as:

-surface elevation caused by hyperplasia and enlargement of contiguous dermal papillae

Answer 22

Papillomatosis

Question 23

What lesions is described as:

-Keratinization writhing retained nuclei in the stratum corneum, but normal in mucous membranes

Answer 23

Parakeratosis

Question 24

What lesions is described as:

-intracellular edema of the epidermis

Answer 24

Spongiosis

Question 25

What lesions is described as:

-discontinuity of the skin showing complete loss of the epidermis revealing the dermis or subcutis

Answer 25

Ulceration

Question 26

What lesions is described as:

-Formation of vacuoles within or adjacent to cells, often refereeing to the basal cell-basement membrane zone area

Answer 26

Vacuolization