Diagnosis: Psoriasis
Description: Apparent loss of pigment in scaly areas
Morphology: Red,scaly
Site: Hand,dorsum
Sex: M
Age: 34
Type: Clinical
Submitted By: Ian McColl
Differential DiagnosisHistory: This Aboriginal male had extensive psoriasis.There is apparent loss of pigment in the psoriatic areas but this is due to the extensive build up of scale and is apparent rather than real.