What is the role of stool exam in the diagnosis of celiac disease (sprue)?

Updated: Nov 29, 2019
  • Author: Stephan U Goebel, MD; Chief Editor: BS Anand, MD  more...
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The typical bulky, greasy appearance and rancid odor of stools suggests malabsorption of fat. Findings from a Sudan stain of the stool might reveal fat droplets.

For a more quantitative measurement of fat absorption, a 72-hour fecal fat collection is frequently helpful in documenting steatorrhea.

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