of probable cause autoinmune characterized by the appearance of plates or callosities in extensoras surfaces of the members (elbows, knees, palms and plants)
zone and, sometimes, hairy leather.
Usually it is not
its course is
and unpredictable, not being able to speak of treatments.
With time it can become rebellious to the treatment.
can be very destructive and difficult to treat.
In the extensive
Most of medicines administered for this
they are teratógenos (affect the fetus) reason why the women in treatment will have to avoid to remain pregnant during the same one.
Diagnosis and treatment.
The diagnosis is made by the
In certain cases studies will have to become of the skin (cutaneous biopsies) analysis of blood or x - rays.
Take the sun in the affected zones.
The occlusion of the injuries during five to seven days followed, in little sunny zones, improves the injuries.
champú to the tar for the washing of the head. Déjelo to act during five to ten minutes before clarifying
on the extension of the
For little extensive
, less of 30 % of the corporal surface) the most effective treatment will be topical:
pomadas or the creams with powerful corticoids,
associated or not with ointments of soft coal or antracilina (its active principle) Care, they stain puel and clothes)
, the most effective treatment, can be the Regime of Goeckerman: Initial hospitable entrance for intensive treatment with soft coal and Ultra -
Another effective treatment consists of the taking of
sensibilizante product (psoraleno) followed of radiations GRAPE, that can be cancerigenic, although it is due to associate to other treatments (single he is little effective)
The oral corticosteroides advise against.
Other used medications include anticancerous agents to low doses, like the Metotrexate or the Cyclosporin.
Certain derivatives of
(Isotretionina) can be very useful in the most serious forms.
The Sulfasalazina (used in the
Ulcerosa) can be useful.
Practice sports or exercise outdoors, the barren sun much the injuries.
Possibly the ingestion of carotenoid (the pigments that produces the
) exerts some beneficial effect.
It is not known.
Factors of risk.
can trigger it.
Strangers, the existing indications point at transtorno autoinmune.
Signs and symptoms.
is the psoriásica plate:
Acúmulos of grudges silverplated in extensoras surfaces of the members surrounded by well reddened skin defined.
In the typical locations:
extensoras faces of elbows and knees,
palms and plants,
It can appear in other parts, like the penis or vulva.
Usually neither they itch nor they hurt.
is the appearance of hoyuelos in the nails, that sometimes are deformed.
There are some variants like:
, or "guttata", more extensive, appears after some
of throat or
, that appears in flexoras zones, instead of extensoras.
generalized, to pustular (with vejigas full of puses) and eritrodérmica (with generalized reddening of the skin) serious.
Sometimes it appears psoriásica
, like the reumatoidea, destructive, in the distales joints of the