Actinic Keratosis

Actinic Keratosis

Actinic keratosis is an occupational disease, which is mainly induced by sunlight, ultraviolet rays, radioactive heat, asphalt or coal, and its extracts. The lesions are more common in sun-exposed parts of middle-aged men and older, such …

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Ankylosing spondylitis

Ankylosing spondylitis

Ankylosing spondylitis (Bechterew’s disease) is a rheumatic disease. There is an inflammation of joint capsules. The inflammation is accompanied by a gradual stiffening of the inflamed joint. Usually, it involves the joints of the back. But the knees, hips, …

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