Ch.4 Disorders & Diseases Of The Skin (Intro & Lesions) Flashcards
As an esthetician never:
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.
Estheticians should have a thorough understanding of disorder & deseases because:
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
What is dermatology?
•branches of medical science that studies and treats the skin and it’s disorders & deseases
What is a dermatologist?
Physician who treats skin disorders and deseases
What is a lesion?
Structural change in tissue due to damage/injury. Any mark,wound or abnormality.
How many lesion types are there and what are they?
3.
Primary
Secondary
Tertiary (vascular lesions involving blood or circulatory system.
What is a primary lesion?
Initial stage of lesions.
Flat non palpable changes in skin color or elevations formed by fluid in a cavity.
(Vesicle , pustules)
Name the 9 primary lesions?
Bulla
Cyst & tubercle
Macule
Nodule
Papule
Pustule
Tumor
Vesicle
Wheal
What is a bulla? Give examples?
Large watery filled blister. Similar to vesicle . Requires med ref.
Contact derm. Large second degree burn. Bulbous impetigo, pemphigus
Whats is a cyst or tubercle? Give examples?
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
What is a macule? Give example?
Flat spot or discoloration on skin
Ex: freckle or age spot
What is a nodule? Give example?
Solid bump larger than 1cm (0.4 inches easily felt. Requires med ref.
Swollen lymph node, Rheumatoid nodules
What is a papule? Give example?
Small elevation on skin contains no fluid but may develop pus.
Acne, warts,elevated nevi
What is a pustule?give example?
Raised inflamed papule with white or yellow center containing pus in the top of lesion
Acne, impetigo, foliculitis
What is a tumor? Give example?
Abnormal mass varying in size, shape , color. not always cancer. Required med ref
Ex: Cancer
What is a vesicle ? Give example?
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
What is a wheal? Example?
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
What is a secondary lesion?
Piles of material on the surface (crust, scab, or by depressions in skin like an ulcer. May require medical referral.
What are the 7 secondary lesions?
Crust
Excoriation
Fissure
Keloid
Scale
Scar (cicatrix)
Ulcer
What is crust? Example?
Dead cells over a wound or blemish while healing; accumulation of sebum and pus sometimes mixed with epidermal cells.
Ex scab , sore
What is excoriation? Example?
Abrasion caused by scratch
Example: nail cuticle damage from nail biting
What is a fissure? Example?
Crack in skin penetrates dermis.
Example:
Cracked chapped hands /lips / feet
What is a keloid? Example?
Thick scar from excessive growth of fibrous tissue. Form along any scar type
What is a scale? Example?
Thin, dry, oily plate of epidermal flakes
Example:
Dandruff ; psoriasis
What is a scar? Example?
Slight raised or depressed area on skin that forms as a result of the healing process.
Example: post operative repair
What is an ulcer ? Example?
Open lesions on skin or mucous membranes of the body, loss of skin depth and possible weeping fluids.
Example: chicken pox / herpes
