Skin Disease
Terms
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- Eczematous eruption that is itchy, recurrent, often flexural, & symmetric. Onset is early infancy, childhood, or adolescence.
- Atopic Dermatitis
- This disease is sensitive to wool & lanolin.
- Atopic Dermatitis
- Location: extensor surfaces & face in infants; flexor surfaces in children & adults
- Atopic Dermatitis
- What is the etiology of atopic dermatitis?
- Unknown
- Scaly plaques involving the elbows, knees, & scalp. Also affects the skin, nails, & joints
- Psoriasis
- Definition: chronic, recurrent, hyper proliferative disease of skin
- Psoriasis
- Presentation: joints, extensor surfaces, lower back, & buttocks
- Psoriasis
- Characteristic Finding: Nails may be pitted & have reddish brown spots
- Psoriasis
- Etiology of Psoriasis:
- Unknown, but 1/3 have family hx; frequently follows strept infection
- Tx of Psoriasis:
-
< 20%--topical steroid, Dovonex, coal tar preparations
> 20%--light therapy, antimetabolites, stress management - Definition: common, chronic, scaling erythematous eruption
- Seborrheic Dermatitis
- Location: cradle cap, dandruff, scalp, face, upper chest
- Seborrheic Dermatitis
- Presentation: erythematous, often greasy, scaling plaques
- Seborrheic Dermatitis
- Tx: medicated shampoos, steroid lotions or solutions, Ketoconazole cream or shampoo if resistant
- Seborrheic Dermatitis
- Etiology of Seborrheic Dermatitis
- Unknown
- Definition: Common, eruptive dermatitis
- Pityriasis Rosea
- Tx of Pityriasis Rosea
- none, control itching, topical steroids
- Etiology of Pityriasis Rosea
- unknown, may be viral
- Presentation: 10-35 yo, "Herald Patch", lines of cleavage, 2-10 wks duration
- Pityriasis Rosea
- Has a Christmas Tree distribution; outlines the ribs
- Pityriasis Rosea
- Etiology of Roseola Infantum
- Herpes Virus 6
- Presentation: high fever, followed by sudden appearance of a macular rash; 6 mo to 4 yrs
- Roseola Infantum
- Tx of Roseola Infantum
- control the temperature
- Rash that looks like pink, almond shaped macules
- Roseola Infantum
- Definition: Acute, self-limited disease of skin & mucous membranes
- Erythema Multiforme
- Characteristic Findings: Round target lesions & papules
- Erythema Multiforme
- Tx of erythema multiforme
- Remove offending agent, topical steroids (prednisone); oral acyclovir or Valtrex