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In the simplest form of the fecal fat test, a random fecal specimen is submitted to the hospital laboratory and examined under a microscope after staining with a Sudan III or Sudan IV dye ("Sudan staining"). Visible amounts of fat indicate some degree of fat malabsorption.
A fecal pH test may be used to determine lactose intolerance or the presence of an infection. [13] Steatorrhea can be diagnosed using a fecal fat test, which checks for the malabsorption of fat. [14] Faecal elastase levels are becoming the mainstay of pancreatitis diagnosis.
The fecal elastase test is a less cumbersome test that has replaced the 72-hour fecal fat test; in the fecal elastase test, pancreatic enzyme replacement therapy (enzyme supplementation, the treatment for EPI) does not have to be stopped for or during fecal elastase testing. [25]
Sudan stain test is often used to determine the level of fecal fat to diagnose steatorrhea. A small sample is dissolved in water or saline, glacial acetic acid is added to hydrolyze the insoluble salts of fatty acids , a few drops of alcoholic solution of Sudan III are added, the sample is spread on a microscopic slide, and heated twice to boil.
Steatorrhea (or steatorrhoea) is the presence of excess fat in feces. Stools may be bulky and difficult to flush, have a pale and oily appearance, and can be especially foul-smelling. [1] An oily anal leakage or some level of fecal incontinence may occur. There is increased fat excretion, which can be measured by determining the fecal fat level ...
Image credits: Ludwig_Vista2 #7. Endometriosis (tissue from the womb) is not cancer. But it can send out cells that spread through your internal organs and grow, stick your guts together or block ...
A quantitative fecal fat test can also be done to quantify the fat levels in the stool and confirm the presence of exocrine pancreatic insufficiency. [ 3 ] When chronic pancreatitis is caused by genetic factors, elevations in ESR , IgG4 , rheumatoid factor , ANA and anti-smooth muscle antibody may be detected.
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