A condition in which a person develops many small, localized skin lesions.
Acne
Where acne usually appear?
On the face, neck, and upper back.
What is the most common skin disease in the United States?
Acne bulgaris
What are the issues in the development of acne?
1. Genetic predisposition
2. Overactivity of sebaceous glands plus th production of excess keratin that may contribute of blocking ducts.
3. Androgen production
4. Colonization with Proponibacterium acnes
5. Some environmental exosures. (hair products and some medications.)
Infections trapped below the surface of the skin; they are raised, red, painful bumps or papules.
pimples
As bumps or papules grow and accumulate purulent material (pus), what are called?
nodules
What are infections trapped deep in the dermis?
cysts
This occurs when bacteria leads to irritation of the hair follicles
Papules
This occurs when bacteria leads to inflammation of the hair follicles, causing swollen red bumps
Pustules
This occurs when inflammation leads to a rupture of the hair follicles (which can also be caused by squeezing the spots, or by harsh scrubbing), releasing matter that triggers wider inflammation, and deeper, hard, painful cysts.
Cysts
Also called blackheads.
Open comedones
These are superficial, and the passage into the hair follicle is open to the air. This allows the trapped sebum to oxidize and turn dark.
Open comedones
Also called whiteheads or pustules.
Closed comedones
They are superficial infections that are covered with a thin layer of epithelium that traps the sebum and pus.
Closed comedones
The first treatment advice for people with acne
Don't touch the face
Medication for acne
Benzoyy peroxide, retinoids (more severe acne), oral antibiotics, hormonal therapy
What is dermatitis?
it is an umbrella term meaning skin inflammation.
A condition connected to immune dysfunction and hypersensitivity reactions expressed in the skin.
Eczema
A skin inflammation caused by and externally applied irritant or allergen.
Contact dermatitis
What is the most common version of eczema?
Atopic dermatitis
Which type reaction is systemic immune system responses to nonthreatening stimuli?
Type I (Eczema)
What type is a delayed, mediated by a several immune system agents (Poison oak, poision ivy, and local skin reactions to metals, soaps, dyes, and latex)?
Type IV (Allergic contact dermatitis)
Common complications of dermatitis and eczema
impetigo
herpes simplex
staphylococcal infections
fungal infections
warts
Two factors in Eczema
Fatty acid deficiency
Excessive inflammatory responses
Eczema flares can be triggered by local irritations such as...
rough textures
detergents
harsh chemicals
4 types of Eczema.
Atopic dermatitis
Seborrheic eczema
Dyshidrosis
Nummlar eczema
The most common variety of eczema especially among children.
A.
Which eczema is itchy, red, flaky and dry?
D.
An area of thick and leathery skin or the process by which the epidermis becomes thick and leathery.
Lichenification
People and families prone to atopic dermatitis are often also affected by _______________ and ___________.
allergic rhinitis (hay fever), asthma
Which eczema produces yellowish, oily patches in the skin folds around the nose or on the scalp?
A.
The Seborrheic eczema in infants is called ______________.
cradle cap
This eczema may involve cutaneous yeasts in the creation of the rash and other symptoms.
Seborrheic eczema
This eczema produces blisters filled with fluid that appear mostly on hands and feet.
B.
This eczema sometimes described as looking like a combination of fungal infection and a contact allergy.
Dyshidrosis
This eczema often occurs in response to hot weather and emotional stress.
Dyshidrosis
This eczema appears in small circular lesions, often on the legs and buttocks.
Nummular eczema
This eczema can resemble ringworm and it is often intensely itchy.
Nummular eczema
Which eczema is a special caution for massage?
Dyshidrosis, because it involves weeping blisters
2 types of Contact Dermatitis.
Irritant contact dermatitis
Allergic contact dermatitis
The contact dermatitis that is the result of using with some substance (harsh cleansers, solvents, ongoing friction) that would be irritating to anyone.
A. Irritant contact dermatitis
B. Allergic contact dermatitis
A
This contact dermatitis involves an immune response in the skin of the affected person.
A. Irritant contact dermatitis
B. Allergic contact dermatitis
B
2 other types of dermatitis
Stasis dermatitis
Neurodermatitis
This dermatitis appears on the lower legs in association with poor circulation as seen with diabetes or heart failure.
A. Stasis dermatitis
B. Neurodermatitis
A
Which dermatitis involves a small jury, such as a mosquito bite, that creates an enormous inflammatory response and localized scaly patches of skin.
