Psoriasis

1. Presentation:

2. Itchy, scaly, well-delineated, circular, reddish plaques

3. Overlying white or silvery scales

4. Commonly found on extensor surfaces (elbows, knees) and scalp

5. Not contagious

6. Sign:

7. Auspitz’s Sign: Bleeding spots when scales are scraped off

Risk Factors:

i. Strong genetic basis

ii. New lesions appear at sites of injury (Koebner phenomenon)

Management:

. Topical Treatments:

. Corticosteroids

. Vitamin D analogues

. Tar preparations