Psoriasis

A biopsy can be performed and in many instances will show characteristic findings. However sometimes even with the biopsy the diagnosis cannot be confirmed with certainty. A potassium hydroxide examination will help differentiate psoriasis from a fungal infection.

Psoriasis

Psoriasis. The doctor was unsure about the diagnosis. He felt this could be either eczema or psoriasis. A biopsy confirmed the diagnosis of psoriasis.