central necrosis


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.
Related to central necrosis: Frank necrosis, necroses, necrotized

necrosis

 [nĕ-kro´sis, ne-kro´sis] (Gr.)
the morphological changes indicative of cell death caused by enzymatic degradation.
aseptic necrosis necrosis without infection or inflammation.
acute tubular necrosis acute renal failure with mild to severe damage or necrosis of tubule cells, usually secondary to either nephrotoxicity, ischemia after major surgery, trauma (see crush syndrome), severe hypovolemia, sepsis, or burns. See also lower nephron nephrosis.
Balser's fatty necrosis gangrenous pancreatitis with omental bursitis and disseminated patches of necrosis of fatty tissues.
bridging necrosis septa of confluent necrosis bridging adjacent central veins of hepatic lobules and portal triads characteristic of subacute hepatic necrosis.
caseous necrosis caseation (def. 2).
central necrosis necrosis affecting the central portion of an affected bone, cell, or lobule of the liver.
cheesy necrosis caseation (def. 2).
coagulation necrosis death of cells, the protoplasm of the cells becoming fixed and opaque by coagulation of the protein elements, the cellular outline persisting for a long time.
colliquative necrosis liquefactive necrosis.
fat necrosis necrosis in which fat is broken down into fatty acids and glycerol, usually occurring in subcutaneous tissue as a result of trauma.
liquefactive necrosis necrosis in which the necrotic material becomes softened and liquefied.
massive hepatic necrosis massive, usually fatal, necrosis of the liver, a rare complication of viral hepatitis (fulminant hepatitis) that may also result from exposure to hepatotoxins or from drug hypersensitivity.
moist necrosis necrosis in which the dead tissue is wet and soft.
postpartum pituitary necrosis see postpartum pituitary necrosis.
selective myocardial cell necrosis myofibrillar degeneration.
subcutaneous fat necrosis of newborn a benign, self-limited disease affecting term newborns and young infants, characterized by circumscribed, indurated, nodular areas of fat necrosis. It is thought to be related to trauma on bony prominences during delivery, hypothermia, asphyxia, or maternal diabetes; it usually resolves spontaneously by 2 to 4 weeks with no scarring. Called also adiponecrosis neonatorum or subcutanea.
Zenker's necrosis hyaline degeneration and necrosis of striated muscle; called also Zenker's degeneration.

cen·tral ne·cro·sis

necrosis involving the deeper or inner portions of a tissue, or an organ or its units.

central necrosis

Etymology: Gk, kentron, central, nekros, dead, osis, condition
death of the central part of a tissue or organ.

cen·tral ne·cro·sis

(sen'trăl nĕ-krō'sis)
Cell death involving the deeper or inner portions of a tissue, or an organ or its units.

necrosis

pl. necroses [Gr.] the morphological changes indicative of cell death caused by enzymatic degradation.

aseptic necrosis
necrosis without infection or inflammation.
caseous necrosis
necrosis in which the tissue is soft, dry and cheesy, occurring typically in tuberculosis.
central necrosis
necrosis affecting the central portion of an affected bone, cell or lobule of the liver.
cheesy necrosis
that in which the tissue resembles cottage cheese; most often seen in tuberculosis.
coagulation necrosis
death of cells, the protoplasm of the cells becoming fixed and opaque by coagulation of the protein elements, the cellular outline persisting for a long time.
colliquative necrosis
see liquefactive necrosis (below).
liquefactive necrosis
necrosis in which the necrotic material becomes softened and liquefied.
moist necrosis
necrosis in which the dead tissue is wet and soft.
Zenker's necrosis
hyaline degeneration and necrosis of striated muscle; called also Zenker's degeneration.
References in periodicals archive ?
Microscopically, ES is usually multinodular with a central necrosis surrounded by bland polygonal cells with eosinophilic cytoplasm and peripheral spindling.
Central necrosis within some lobules conveyed a palisading, granuloma-like appearance (Figure 2).
By the end of the first week, central necrosis and ulceration had produced a whitish patch (Figure 2).
Contrast-enhanced CT of the left tongue base detected a nonenhancing soft-tissue mass with an area of central necrosis.
They cause a widespread central necrosis that can extend to as much as 95% of the tumor.
These granulomas characteristically feature central necrosis admixed with clusters of neutrophils and pink fibrin, and they are surrounded by a peripheral rim of epithelioid macrophages and lymphocytes (figure, B).
The smaller granulomas consisted purely of macrophages, while large ones showed central necrosis and sometimes contained small aggregates of lymphocytes and plasma cells.

Full browser ?