Psoriasis

Alternate Name:

Test:

Skin biopsy (+)

Sign:

Nail discolouration, nail pitting, onychogryphosis,onycholysis, Auspitz's sign

Dd:

Seborrhoeic dermatitis, intertrigo, moniliasis, li-chen planus, Bowen's disease, discoid eczema, pityriasis rosea, lichen simplex, tinea corporis, drug reaction

Phys:

Chronic, benign, erythematous, macular, pruritic skin disease