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caseation

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caseation /ca·se·a·tion/ (ka″se-a´shun)
1. the precipitation of casein.
2. necrosis in which tissue is changed into a dry mass resembling cheese.

ca·se·a·tion (ks-shn)
n.
Necrotic degeneration of bodily tissue into a soft, cheeselike substance.

caseation
[kā′sē·ā′shən]
Etymology: L, caseus, cheese
a form of tissue necrosis in which cellular outline is lost and the appearance is that of crumbly or liquified cheese. It is typical of tuberculosis. See also caseous. caseate, v.

caseation [ka″se-a´shun]
1. the precipitation of casein.
2. a form of necrosis in which tissue is changed into a dry, amorphous mass resembling cheese. Called also caseous degeneration or necrosis.

caseation
1. the precipitation of casein.
2. a form of necrosis in which tissue is changed into a dry, amorphous mass resembling cheese.


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In CT investigation, mediastinal lymph node was typically seen with a central hypodense area corresponding to caseation necrosis and ring enhancement after contrast administration (2) (Figure 2).
Solid caseation, as seen in tuberculomas, is not a feature but semi-liquid pus packed with bacilli is typical.
It is characterized by the presence of epithelioid cell tubercles without caseation.
 
 
 
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