dermatologic disorders
Perioral Dermatitis
Diagnosis of Perioral Dermatitis
Clinical evaluation Diagnosis of perioral dermatitis is by appearance; perioral dermatitis is distinguished from Symptoms and Signs by the absence of comedones and from Biopsy, which is generally not clinically necessary, shows spongiosis and a lymphohistiocytic infiltrate affecting vellus hair follicles. In the lupoid variant, granulomas may be present. 