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What is a Weal?
An itchy, transiently elevated area with variable blanching and erythema
What is the term for an itchy transiently elevated area of the skin with variable blanching and erythema?
What is a vesicle?
(Bulla), fluid filled raised area
What is the term for a fluid filled raised area?
What is a Pustule?
Discrete pus filled raised area
What is the term for a discrete raised pus filled area?
Vesicle or Bulla
What is another term for hives?
What is another term for Uticaria?
What are Utricaria?
Red edematous itchy plaques appearing within minutes
What are the common ages to develop uticaria?
What areas are utricaria found?
Trunk and distal extremities
How long does Uticaria usually last?
What are Uticaria usually from?
Hypersensitivity Type I (IgE dependant)
What skin disease is usually caused by a type I hypersensitivity (IgE dependant)?
What is an IGE independent cause of Uticaria?
What would you expect to see in a cross section of skin with uticaria?
Eiosinophils and mast cells
What disease accounts for 1/3 of dermatology visits?
What causes dermatitis or eczema?
- UV light
What is Dermatitis/Eczema?
General term for variety of inflammatory skin conditions
What is the term for a general inflammatory skin condition?
Dermatitis or Eczema
What is a complication of Dermatitis/Eczema?
Secondary skin infections
What does a typical dermatitis or eczema lesion look like?
Oozing, crusting, scaling
What type of dermatitis were covered in class?
- Allergic contact dermatitis
- Atopic dermatitis
- Drug-related dermatitis
- Photoeczematous eruption
- Primary irritant dermatitis
What is Allergic contact dermatitis?
- Type IV hypersensitivity reaction
- Poison IVY, jewelry, cosmetics, etc.
What is Atopic dermatitis?
- Associated with a personal or family history of eczema, hay fever or asthma
- Begins in infancy on face and scalp
What type of dermatitis is a Type IV hypersensitivity (i.e. cosmetics, poison ivy, etc.)?
Allergic contact dermatitis
What type of dermatitis is associated with a personal of family history of hay fever, asthma or eczema and begins at infancy with a face and scalp rash?
What type of dermatitis disappears when a drugs is removed?
What is Photoeczematous eruption?
Dermatitis on exposed skin
What is Primary irritant dermatitis?
Dermatitis following repeated trauma like rubbing
What type of dermatitis follows repeated trauma like rubbing?
Primary irritant dermatitis
What is Impetigo?
Superficial bacterial infection of the face
What is usually the cause of impetigo?
Staph or strep infection
Is impetigo infectious?
Yes, especially children in crowded spaces
What part of the body is usually infected by impetigo?
What does Impetigo look like?
Oozing, crusting and pus forming blister on the face (usually)
How is Impetigo treated?
What is Acne?
Nodules and pustules on the face and upper back
When is Acne most common?
Puberty through adulthood
What causes Acne?
Blockage of sebaceous glands and hair follicle by lipids and keratin
What is the etiology of Acne (6)?
- Fatty acids
- Hormonal (androgens)