Chapter 8 - Skin Disorders & Diseases Flashcards Preview

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Flashcards in Chapter 8 - Skin Disorders & Diseases Deck (24):
1

Skin tag

A small brown-colored or flea colored outgrowth of the skin

2

Verruca

Also known as wart; hyper trophy of the papillae and epidermis

3

Basal cell carcinoma

Most common and least severe skin cancer; characterized by light or pearly nodules and has a 90 percent survival rate with early diagnosis

4

Squamous cell carcinoma

More serious then (bcc) characterized by scaly red papules or nodules. It can spread to other parts of the body and survival rates depend on the stage at diagnosis

5

Maglinant melanoma

Least common, but most dangerous, form of skin cancer; characterized by black or dark brown patches on the skin that may appear uneven in texture, jagged, or raised

6

Asymmetry

One half of the mole does not match the other half

7

Border irregularity

The edges of the mole are ragged or botched

8

Color

The color of the mole is not the same all over. There may be shades of tan,brown, or black and sometimes even patches of red, blue, or white.

9

Diameter

The mole is wider that about 1/4 (doctors are now finding melanomas that are smaller)

10

Evolution

The mole evolves or changes; it may include darkening or variations in color, it may itch or hurt; may change in shape or growth

11

Acne bacteria

Main food source is fatty acids

12

Intrinsic factors

Skin-aging factors over which we have little control
(Genetics,gravity,facial expressions)

13

Extrinsic factors

Environmental factors contribute to aging and the appearance of aging

14

Uva rays

(Aging rays)
Deep-penetrating rays that can even go through a glass window. These rays weaken the collagen and elastin fibers causing wrinkles and sagging

15

UVB

(Burning rays)
Sunburns, tanning of the skin, and the majority of skin cancers. These are shorter rays that stop penetration at the base of the epidermis

16

Allergic contact dermatitis

When a person develops an allergy to an ingredient or a chemical, usually caused by repeated skin contact with the chemical.

17

Sensitization

An allergic reaction created by repeated exposure to a chemical or a substance.

18

Lesion

Mark on the skin that changes the structure of tissues or organs.
Freckles

19

Primary lesions

Different color than than the color of the skin/ and or lesions that are raised above the surface of the skin

20

Bulla

Large blister containing watery fluid ; similar to a vesicle.
(Contact dermatitis, large second decree burns, bulbous impetigo, perriphigus)

21

Macule

Flat spot or discoloration on the skin
( freckle or liver spot )

22

Pustule

Raised, inflamed papule with a white or yellow center containing pus in the top of the lesion
Acne, impetigo, folliculitus

23

Tumor

Abnormal mass varying in size shape and color. Any type of abnormal mass, not always cancer.
(Cancer)

24

Wheal

An itchy swollen lesion that can be caused by a blow, scratch, bite of an insect or urticaria (skin allergy) or the sting of a nettle.
Typically resolved on its own but refer if more than 3 days
(Hives,mosquito bites)