1. Psoriasis (Fig, 3.3.-2.3): seen fairly frequently, especially "guttate psoriasis," which is seen as a superantigen syndrome associated with streptococcal infections
2. Pityriasis rosea: commonly seen in the spring and fall, usually on the trunk, usually proceeded by 1 to 2 weeks by a herald patch. An unusual form is called inverse pityriasis rosea, with lesions located more in the groin and axilla.
3. Tinea versicolor: caused by a superficial fungal infection (Pityrosporum orbiculare), presents as a hypopigmented, asymptomatic disorder mainly on upper chest and back, occasionally on the neck and face. Fine, dry, adherent scale is revealed upon scratching.
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Do You Suffer From the Itching and Scaling of Psoriasis? Or the Chronic Agony of Psoriatic Arthritis? If so you are not ALONE! A whopping three percent of the world’s populations suffer from either condition! An incredible 56 million working hours are lost every year by psoriasis sufferers according to the National Psoriasis Foundation.