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The term "necrosis" came about in the mid-19th century and is commonly attributed to German pathologist Rudolf Virchow, who is often regarded as one of the founders of modern pathology. [2] Necrosis is caused by factors external to the cell or tissue, such as infection, or trauma which result in the unregulated digestion of cell components.
Liquefactive necrosis (or colliquative necrosis) is a type of necrosis which results in a transformation of the tissue into a liquid viscous mass. [1] Often it is associated with focal bacterial or fungal infections, and can also manifest as one of the symptoms of an internal chemical burn . [ 2 ]
Necrosis after 5 (a), 20 (b) and 27 (c) days. Residual scar after 83 days (d) Loxoscelism may present with local and whole-body symptoms: Necrotic cutaneous loxoscelism is the medical term for the skin only reaction of loxoscelism. It is characterized by a localized necrotic wound at the site of bite.
Gangrene; Other names: Gangrenous necrosis: Dry gangrene affecting the toes as a result of peripheral artery disease: Specialty: Infectious disease, surgery, podiatry: Symptoms: Change in skin color to red or black, numbness, pain, skin breakdown, coolness [1]
Coagulative necrosis is a type of accidental cell death typically caused by ischemia or infarction. In coagulative necrosis, the architectures of dead tissue are preserved for at least a couple of days. [ 1 ]
Ecchymosis (bruising) that progresses to skin necrosis [2], which manifests as skin changing color from red to purple and black due to the thrombosis of blood vessels [8] Rapid progression to shock despite antibiotic therapy is another indication of necrotizing fasciitis. However, those who are immunocompromised may not show typical symptoms.
Fat necrosis is necrosis affecting fat tissue (adipose tissue). [1] The term is well-established in medical terminology despite not denoting a specific pattern of necrosis. [ 2 ] Fat necrosis may result from various injuries to adipose tissue, including: physical trauma, enzymatic digestion of adipocytes by lipases , [ 3 ] radiation therapy ...
Caseous necrosis or caseous degeneration [1] (/ ˈ k eɪ s i ə s /) [2] is a unique form of cell death in which the tissue maintains a cheese-like appearance. [3] Unlike with coagulative necrosis, tissue structure is destroyed. Caseous necrosis is enclosed within a granuloma. Caseous necrosis is most notably associated with tuberculoma.