What is necrosis? Necrosis is the pathological, i.e. pathological, destruction of cells, cell groups or tissue. Within a cell, this leads to clumping of DNA and cell swelling. The cell bursts and cellular components are released, which cause inflammation in the surrounding tissue. Necrosis can be caused by many different factors, such as extreme temperatures, … Necrosis
Causes of necrosis Necrosis can occur due to aseptic and septic influences. Aseptic influences include mainly mechanical events, circulatory disorders, radiation damage, toxins, and thermal changes (e.g. frostbite). Circulatory disorders are caused, for example, by diabetes, smoking, alcohol consumption, genetic factors or the long-term use of medication. Septic necrosis is caused by infections with pathogens … Causes of necrosis | Necrosis
Diagnosis The diagnostic procedure depends on the location of the necrosis. If it is an external necrosis, for example skin necrosis, a physician can make a diagnosis after closer examination. In addition, a smear of the wound is taken to determine whether pathogens are present in the necrosis. However, if the necrosis is internal, for … Diagnosis | Necrosis
Treatment/Necrosectomy Similar to pain, the duration of healing and prognosis of necrosis depends very much on the situation and the patient. In the case of very superficial necrosis, independent healing is possible within a few weeks after removal of the corresponding cause. However, if the necrosis is advanced, a doctor must be consulted. The prognosis … Treatment/Necrosectomy | Necrosis
Necrosis on the heel Necroses of the heel are caused by so-called pressure necroses. These are mainly found in lying and only slightly mobile people and are also called pressure sores. When lying on the back, for example, permanent pressure is exerted on the rear heel. The supplying blood vessels are squeezed and the tissue … Necrosis on the heel | Necrosis
Necrosis through wounds Various mechanisms can lead to necrosis in wounds. Overall, however, this happens only rarely.One possibility is that the injury to the skin leads to a defect in the blood supply and thus to an undersupply of oxygen. A necrosis, which is caused by the immigration of pathogens, for example bacteria, is also … Necrosis through wounds | Necrosis
Necrosis on the finger Similarly as with the toes and feet, also the fingers of the human being lie very remotely to the body-center. Therefore, they are also particularly prone to necrosis. Hypothermia and frostbite also play an important role here. The vessels that supply the fingers with blood and oxygen have a small diameter … Necrosis on the finger | Necrosis
Pulp necrosis The dental pulp is located inside a tooth and contains the nerves and blood vessels that supply the tooth. Pulp necrosis is an inflammation of the dental pulp, for example due to the immigration of bacteria. This leads to swelling of the pulp, which causes an impression of the blood vessels and severe … Pulp necrosis | Necrosis