Monday, December 17, 2018

Basics of Fat necrosis.

Hello, let's dissect fat necrosis in this post.

Fat necrosis is seen where fat concentration is more or lipase concentration is more.
Example- Injury to Breast or Omentum tissue or in Acute pancreatitis with gall stones or alcohol intake.

Alcohol intake leads to activation of lipase enzyme. This lipase enzyme converts lipids to fatty acids. Always remember fatty acids loves calcium! This love affair leads to formation of "Fatty acids - Calcium complex formation". This is called as "Saponification".
This gives yellow - white chalk like color. This helps surgeon to identify fat necrosis.

For prognosis we use serum calcium level. Why?

Suppose there is severe pancreatitis. This leads to more activation of the lipase enzyme. This leads to formation of the fatty acids. More fatty acids, more saponification. Hence less calcium level in serum!

Low calcium level suggest bad prognosis!

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