Shingles

Shingles is a viral skin disease common, due to herpes zoster, the same virus as chickenpox. The adjective is related zoster.

The condition is complicated mainly pain that can become chronic and debilitating post-herpetic neuritis by.

Shingles is a viral disease due to reactivation of varicella zoster virus or VZV, Varicella Zoster Virus for belonging to the family of herpes viruses, which is the virus that causes chickenpox.

VZV, after recovery from chickenpox, remai

Xeroderma pigmentosum

Described in 1870 by Moritz Kaposi, xeroderma pigmentosum is a rare genetic disease. It is characterized by excessive sensitivity of skin to sunlight, eye problems and a 1000-fold increased risk of developing cancer of the skin or eyes. Specifically, the mechanisms of DNA repair are ineffective and unable to repair thymine dimers in particular. Specifically, these patients are deficient in one of the genes encoding proteins involved in the mechanism of nucleotide excision repair. Changes due

Xanthoma

A xanthoma (Greek Xanthos, yellow) is a benign cutaneous nodular or flat, external or subcutaneous, yellow, yellowish or orange-yellow, formed by a dermal infiltrate of cells loaded with fats (cholesterol, etc..) . These are masses of tissue (supportive tissue) and histiocytes (type of white blood relatives of macrophages, and having the ability to digest foreign particles). Xanthomas often measure only a few millimeters to a centimeter or more times (on the buttocks, elbows, knees ...). Exc

Vitiligo

Vitiligo is a disease of the skin characterized by white spots that appear and spread on the skin.

It affects 0.5.. In some cases, we can also see a concentration of melanin (darker area) around the affected area.

This defect pigmentosa usually occurs on the face, extremities, joints and areas of friction (Koebner phenomenon).

It is essentially based on the observation of characteristic lesions on the skin. There are two main forms. The segmental form is slightly more

Wart

The wart is a small growth of skin or a small lesion that can be induced by a microtrauma, and can appear in almost all parts of the body. It can be found on the hand, elbow, knee, face, feet and the genitals.

Warts are noncancerous benign skin tumors. They are derived from the skin infection by a virus called human papillomavirus (HPV) of which there are fifty different types, some more willingly giving some warts. It seems generally agreed that the warts of the hands, elbows and kn

Vasculitis

In medicine, vasculitis are a group of diseases involving inflammation of blood vessel walls. They are mainly due to an abnormal migration of leukocytes and attack and resulting damage. Most vasculitides are rare diseases or emerging (eg Kawasaki's disease). They would go for the various groups of organs and can cause severe disability.

The main causes are autoimmune diseases and, occasionally, infection or exposure to certain chemicals and drugs, or drugs such as amphetamines, c

Varicella

Chicken pox, classical in its form of frequent eruptive childhood disease, in temperate, key later in the adult tropical environment where it is also characterized by its high contagiousness, exposing pregnant women and fetuses. It reflects the primary infection by the varicella-zoster virus or VZV, the virus family Herpesviridae. It was only in temperate and probably urban, far from the equator, except vaccination, it occurs spontaneously in over 90. The incubation period is 14 days on aver

Urticaria

Urticaria (Latin Urtica, nettle (other pronunciations. The majority of patients with chronic urticaria have causes (idiopathic) unknown.

Forms most impressive and serious (eg, giant hives, generalized urticaria) can occur suddenly (within minutes) and accompanying anaphylaxis or angioedema.

This is a mobile and transient rash with white center and contours (a series of red marks on the skin, resembling nettle stings) accompanied by a burning sensation.

In the case of

Tungiasis

The sarcopsyllose or tungiasis is a parasitic skin disease caused by the chip-chewing (Tunga penetrans). It is common in tropical areas and especially in Madagascar. The diagnosis is easy and is based on the detection of small chip under the skin as a dermal swelling and rounded whitish. There are many forms with profuse skin lesions and locoregional complications. Treatment of simple form is to extract the parasitic. In complicated forms, thiabendazole may be used.

Pregnant females

Trombidiose

The trombidiose is a skin disease caused by a mite, trombidium trombidion or, more commonly known as chigger.

Severe itching (pruritus) appear, as well as buttons. The treatment, based on benzyl benzoate, is about the same as scabies.

In the countryside, the infestation is very commonly done in the wet grass at the end of August and autumn. The larvae of these mites are located preferably at the waist and folds where they benefit from the friction of the garment. They burrow