Difference between revisions of "Dermatology"
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=Derm Terms= | =Derm Terms= | ||
=Atopic Dermatitis= | =Atopic Dermatitis= | ||
− | *H&P: Eczema in infants is more common on '''extensor''' surfaces, in children/adults it is predominantly on '''flexor''' surfaces. | + | *H&P: Eczema in infants is more common on '''extensor''' surfaces, in children/adults it is predominantly on '''flexor''' surfaces. Atopic triad. Frequent skin infections. Pruritis leading to lichenification. |
− | *Dx: | + | *Dx: Clinical. Associated with increased serum IgE. Ddx includes impetigo, seborrheic dermatitis, contact dermatitis |
− | *Tx: Prognosis for childhood eczema is '''good, with most patients having complete resolution by adulthood.''' | + | *Tx: Emollients. Topical steroids for flares. Prognosis for childhood eczema is '''good, with most patients having complete resolution by adulthood.''' |
+ | |||
=Contact Dermatitis= | =Contact Dermatitis= | ||
=Psoriasis= | =Psoriasis= |
Revision as of 20:09, 13 January 2023
Derm Terms
Atopic Dermatitis
- H&P: Eczema in infants is more common on extensor surfaces, in children/adults it is predominantly on flexor surfaces. Atopic triad. Frequent skin infections. Pruritis leading to lichenification.
- Dx: Clinical. Associated with increased serum IgE. Ddx includes impetigo, seborrheic dermatitis, contact dermatitis
- Tx: Emollients. Topical steroids for flares. Prognosis for childhood eczema is good, with most patients having complete resolution by adulthood.
Contact Dermatitis
Psoriasis
Erythema Nodosum
Rosacea
Erythema Multiforme
Pemphigus Vulgaris
Bullous Pemphigoid
Acne Vulgaris
Acne Type | Treatment |
---|---|
Comedonal | Topical retinoids |
Inflammatory | Topical retinoids + Benzoyl peroxide > Topical antibiotics > Oral antibiotics |
Nodulocystic | Topical retinoids + Benzoyl peroxide + Topical antibiotics > add Oral antibiotics > Oral isotretinoin |
- Doxycycline can cause photosensitivity
Herpes Zoster
- Herpes zoster is non-infectious when all the vesicles have crusted over. Patients should cover the lesions when in public to avoid spreading.
- Treatment of shingles is with seven days of oral valacyclovir.
Dermatophytes
Basal Cell Carcinoma
Squamous Cell Carcinoma
- H&P: Most SCC develops from actinic keratosis which presents as chronic, erythematous, scaly, discolored papules and rough plaques on sun-exposed areas of skin
Melanoma
- H&P:
- Dx:
- Tx:
Missed Concepts
- Lichen Planus diagnosis is clinical, but a punch biopsy of prominent lesion can be sent to confirm, presents with purple, polygonal, pruritic, papules and plaques, sometimes with Wickham striae.