Ch.4 Disorders & Diseases Of The Skin (Intro & Lesions)

Question 1

As an esthetician never:

Answer 1

Work on any skin condition you don’t recognize. When I’m doubt stop service. Let client know if you do not recognize a condition or lesion.

Question 2

Estheticians should have a thorough understanding of disorder & deseases because:

Answer 2

Bacteria , emotion, save life

•recognizing a contagious skin disorder can stop spread of infection.
•you will help emotionally affected individuals by dealing with such visible problem.
•knowing when to stop & refer to a medical professional Can save a life

Question 3

What is dermatology?

Answer 3

•branches of medical science that studies and treats the skin and it’s disorders & deseases

Question 4

What is a dermatologist?

Answer 4

Physician who treats skin disorders and deseases

Question 5

What is a lesion?

Answer 5

Structural change in tissue due to damage/injury. Any mark,wound or abnormality.

Question 6

How many lesion types are there and what are they?

Answer 6

3.
Primary
Secondary
Tertiary (vascular lesions involving blood or circulatory system.

Question 7

What is a primary lesion?

Answer 7

Initial stage of lesions.
Flat non palpable changes in skin color or elevations formed by fluid in a cavity.
(Vesicle , pustules)

Question 8

Name the 9 primary lesions?

Answer 8

Bulla
Cyst & tubercle
Macule
Nodule
Papule
Pustule
Tumor
Vesicle
Wheal

Question 9

What is a bulla? Give examples?

Answer 9

Large watery filled blister. Similar to vesicle . Requires med ref.

Contact derm. Large second degree burn. Bulbous impetigo, pemphigus

Question 10

Whats is a cyst or tubercle? Give examples?

Answer 10

Closed abnormal sac contains pus, semi fluid or morbid matter above or below skin. Cyst can be trained a tubercle can’t. Requires med ref

Ex: cyst: severe acne
Tubercle: lipoma, erythema nodusum

Question 11

What is a macule? Give example?

Answer 11

Flat spot or discoloration on skin

Ex: freckle or age spot

Question 12

What is a nodule? Give example?

Answer 12

Solid bump larger than 1cm (0.4 inches easily felt. Requires med ref.

Swollen lymph node, Rheumatoid nodules

Question 13

What is a papule? Give example?

Answer 13

Small elevation on skin contains no fluid but may develop pus.

Acne, warts,elevated nevi

Question 14

What is a pustule?give example?

Answer 14

Raised inflamed papule with white or yellow center containing pus in the top of lesion

Acne, impetigo, foliculitis

Question 15

What is a tumor? Give example?

Answer 15

Abnormal mass varying in size, shape , color. not always cancer. Required med ref

Ex: Cancer

Question 16

What is a vesicle ? Give example?

Answer 16

Small blister or sac containing clear liquid just beneath epidermis.
Required med ref if cause unknown or untreatable with over counter aid.

Ex: poison oak/ivy

Question 17

What is a wheal? Example?

Answer 17

Itchy swollen lesión that can be caused by blow, scratch , bite of insect or urticaria (skin allergy) or sting of nettle. Typically resolves on its own but when last more than 3 days requires med ref

Ex: hives, mosquito bite

Question 18

What is a secondary lesion?

Answer 18

Piles of material on the surface (crust, scab, or by depressions in skin like an ulcer. May require medical referral.

Question 19

What are the 7 secondary lesions?

Answer 19

Crust
Excoriation
Fissure
Keloid
Scale
Scar (cicatrix)
Ulcer

Question 20

What is crust? Example?

Answer 20

Dead cells over a wound or blemish while healing; accumulation of sebum and pus sometimes mixed with epidermal cells.

Ex scab , sore

Question 21

What is excoriation? Example?

Answer 21

Abrasion caused by scratch
Example: nail cuticle damage from nail biting

Question 22

What is a fissure? Example?

Answer 22

Crack in skin penetrates dermis.
Example:
Cracked chapped hands /lips / feet

Question 23

What is a keloid? Example?

Answer 23

Thick scar from excessive growth of fibrous tissue. Form along any scar type

Question 24

What is a scale? Example?

Answer 24

Thin, dry, oily plate of epidermal flakes

Example:
Dandruff ; psoriasis

Question 25

What is a scar? Example?

Answer 25

Slight raised or depressed area on skin that forms as a result of the healing process.

Example: post operative repair

Question 26

What is an ulcer ? Example?

Answer 26

Open lesions on skin or mucous membranes of the body, loss of skin depth and possible weeping fluids.

Example: chicken pox / herpes