Skin Disorders Guide

Diagnostic Hallmarks

Distribution- face, neck and sun-exposed areas of the upper trunk and arms
Sunlight sensitivity

Clinical Presentation
Lupus erythematosus (LE) is a disease that has a very broad spectrum of clinical symptoms and signs. The spectrum is continuous, but it is convenient to consider four points on the spectrum as if they were four separate conditions.
Only the [...]

Almost any skin disease can become secondarily eczematized. Three factors determine the circumstances under which this is likely to happen. First, those patients who are genetically atopic (20% of the population) are particularly likely to initiate the itch-scratch cycle in the presence of almost any dermatologic condition. Second, lesions that occur in areas of sweat [...]