Can you identify the condition in the photo on the left?
An eruption of lichenified or excoriated nodules, these lesions are thought to arise from incessant scratching or repeated rubbing. Various conditions ranging from atopic dermatitis and obstructive biliary disease to diabetes and chronic renal failure may predispose individuals to this condition.
Patients with psoriasis can present with multiple levels of involvement and with different types of the chronic condition. Accordingly, this author discusses the presentation of the condition, offers keys to diagnosis and reviews a variety of treatment options, including topical agents and combination therapy.