Pham-Derm Dzs Flashcards
Class 1 steroid cream
Clobetasol proprionate 0.5%
Which class is medium potency steroid cream?
Class 4
Which is the lowest potency steroid cream class?
Class 7
Only steroid cream available OTC
Hydrocortisone 1% or less
Class 2 steroid cream AKA “Lidex”
Fluocinonide 0.05%
This cream is Class 4, 5, and 6
Triamcinolone 0.1%
*TMC 0.1%
Class 6 steroid cream
Desonide 0.05%
medication not working well because of long use
Tachyphylaxis
Chronic relapsing disorder, can start in infancy. Most outgrow. Hallmark is pruritis. Pruritis before rash. Areas are face, extensor surfaces, face, neck, flexural areas. May develop asthma later. Filaggrin mutation allows infx
Atopic dermatitis
Crusts on excoriations
Atopic dermatitis
Tx for atopic dermatitis flare-ups
Corticosteroid creams
Tx for atopic dermatitis maintenance
Calcineurin inhibitors
- Tacrolimus ointment
- Pimecrolimus cream
What does nummular mean?
Coin like
Atopy means?
Allergic reaction
Why do you wait 96 hrs for the contact dermatitis patch test?
It is a Type 4 Hypersensitivity test
Well-demarcated “coin-shaped” scaly patches & plaques
Nummular eczema
Elongated rete ridges
Psoriasis
Secondary location for psoriasis
Joints - Arthritic psoriasis
Smooth depressions in nails due to loss of parakeratotic cells of the nail plate
Nail pitting
*Psoriasis
Serous fluid accumulation beneath the nail bed
Oil spots
*psoriasis
Don’t give pts systemic steroids for
psoriasis
*causes rebound rash
First patch of pityriasis rosea
Herald patch
- Christmas tree pattern
- Follow lines of cleavage on trunk and neck
- Collarette scale
Pityriasis Rosea
Caused by HHV 6 & 7
Pityriasis Rosea
Red, pink or brown scaly patches and plaques
- Scalp
- Central face
- Eyebrows/eyelids
- Ears inside and retroauricular
Seborrheic Dermatitis
*fungal
Tx is:
- Antihistamines
- Acyclovir
- Valcyclovir
- Corticosteroid creams
- Phototherapy
Pityriasis Rosea
Scales on eyebrows, central face, mustache area, beard, eyelashes, sternum where hair is. Also newborn babies.
Seborrheic dermatitis
*fungal
Has a strong association with Hep C
Lichen planus
Hard to find in early stages and may need multiple biopsies for Dx
Mycosis Fungoides
*skin cancer
Cradle cap
Seborrheic dermatitis
This is a dangerous neoplastic T cell condition which has a plaque stage
Mycoses fungoides
*No scaling,
Leonides appearance
Mycoses fungoides
Polymorphic manifestation of Mycoses fungoides
- Patches
- Plaques
- Nodules
*May all occur at the same time