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Necrotizing pneumonia (NP), also known as cavitary pneumonia or cavitatory necrosis, is a rare but severe complication of lung parenchymal infection. [ 1 ] [ 2 ] [ 3 ] In necrotizing pneumonia, there is a substantial liquefaction following death of the lung tissue, which may lead to gangrene formation in the lung.
Bacterial infection is by far the most common cause of necrotizing fasciitis. Despite the term "flesh-eating disease," the organisms do not eat human tissue; rather, they release virulence factors and toxins that cause tissue death. Typically, the infection enters the body through a break in the skin such as a cut or burn. [3]
Other causes of acute mediastinitis include infection secondary to cervical disease which arises from dental procedures, skin infections of the neck, neck trauma, or neck procedures. [ 1 ] Descending necrotizing mediastinitis (DNM) was first described by Herman E. Pearse Jr., M.D. in 1938 and he stated, "the term 'mediastinitis' means little ...
Toxic shock syndrome (TSS) is a condition caused by bacterial toxins. [1] Symptoms may include fever, rash, skin peeling, and low blood pressure. [1] There may also be symptoms related to the specific underlying infection such as mastitis, osteomyelitis, necrotising fasciitis, or pneumonia.
Tumors, medications, allergic reactions, and infectious organisms are some of the recognized triggers for these conditions, even though the precise cause of many of them is unknown. Immune complex disease, anti-neutrophil cytoplasmic antibodies , anti-endothelial cell antibodies, and cell-mediated immunity are examples of pathogenetic factors.
Necrosis can be found mostly between the three distals of the esophagus, but stops abruptly at the gastroesophageal junction. [2] The basic and most common symptoms reported are blood in stool and blood in vomiting. Upper gastrointestinal bleeding then is reported, and is very commonly represented in elderly patients. [4]
Fitz-Hugh–Curtis syndrome with perihepatic adhesions following a chlamydia infection. PID can cause scarring inside the reproductive system, which can later cause serious complications, including chronic pelvic pain, infertility, ectopic pregnancy (the leading cause of pregnancy-related deaths in adult females), and other complications of ...
Avascular necrosis (AVN), also called osteonecrosis or bone infarction, is death of bone tissue due to interruption of the blood supply. [1] Early on, there may be no symptoms. [1] Gradually joint pain may develop, which may limit the person's ability to move. [1] Complications may include collapse of the bone or nearby joint surface. [1]