In the reality, psorase can even though modify the development in the work of the affected people (FONSECA, 1997). Psorase is considered a not contagious illness that presents diverse forms and some levels of severity. When the joints are involved, it are called psoritica artrite and are similar the artrite reumatide (ALLEN, 2007). The illness is characterized by abnormalitys in the cycle of development of the epidermis, having led the vascular hiperproliferao of the same one, alteration in the maturation of the cutaneous cells, alterations and inflammation (ARRUDA; CAMPBELL; TAKAHASHI, 2001). A skin with psorase is characterized by the eruption of maculoppulas circumscribed, isolated and confluentes, colored, with silver-plated scales.

These injuries happen in bigger amount in the elbows, knees, cabeludo leather and trunk, can also acometer nails and joints (ROBBINS; COTRAN, 2004). The matureness of cells or escamao of a healthful skin happens between 28 and 30 days, already of a psoritica cell this matureness is well faster happens in the only 3 4 days, and compromised the superficial layer. of the skin and if they accumulate forming injuries in relief and colored (ROTTA, 2008). 1.1Formas Clinical of the Psorase. Psorase can have some clinical manifestations as in psorase vulgar also known as psorase in plates (figura1), this is the form most common and occurs approximately in 90% of the patients. It appears in any surface of the skin, especially in the elbows, knees, trunk and nails.

Form plates of bilateral and symmetrical distribution, with predilection for elbows, knees, cabeludo leather, lumbar and umbilical region, generally saving the face (MARTINS; PASCHOAL, 2006). Figura1. Vulgar Psoriase (in plates) Source: Psorase Gutata (in drop), (figure 2), it is a type of psorase characterized by small injuries (the 0,5 1,5 cm of diameter), little generally descamativas, located in superior region of trunk and proximais extremities of the members and some times in the cabeludo leather.