Leprosy (leprosy or Hansen's disease), one of the longest accompanying human infectious diseases of the skin and nerves caused by Mycobacterium leprae bacillus, bacteria discovered by a Norwegian scientist Armauera Hansen in 1873. This bacteria is very similar to that which causes tuberculosis.
There are three main clinical forms of leprosy:
- nodular form , lepromatyczną that takes a sharp , characterized by the presence of the skin and subcutaneous tissue tumors, which disintegrate , causing permanent disfigurement . Lumpy figure revealed by the firm swelling, rich in bacteria. They may be opened , leading to significant distortion. This embodiment similar to other skin disorders , sometimes confused with allergy or fungal infestation is the most infectious . Patients are often unaware of the risks they pose to their loved ones infect other family members are staying in public areas.
gruźlicopodobną form , tuberkuloidową that takes a slower , in addition to skin lesions , neurological changes occur . They are attacked ends of the limbs and facial nerve , causing tissue necrosis (hence fall fingers , ears, nose ) , followed by a neurological changes (numbness , paralysis ) , leading to severe distortions and mutilations . This form can be known noticed spots on the body (in the case of the skin brown spots are brighter than the rest of the body) . People who have this form of leprosy - although they are much less contagious , tend to be thrown out of their families on grounds of manifest oszpecającego disability that is permanent stigma of leprosy.
- mixed form, undefined