The condition can be diagnosed via exam that reveals; generalized redness; thick, generally dark, scales that tend to form parallel rows of spines or ridges, especially near large joints; the skin is fragile and blisters easily following trauma; extent of blistering and amount of scale is variable.
Epidermolytic hyperkeratosis
Electrotrichogenesis
Hyperkeratosis
Porokeratosis
Sebaceous hyperplasia
Granulomatous slack skin
Hyperkeratinization
Clear cell acanthoma