Abstract
The steatocrit test, a simple semiquantitative method for determining fat content in stool, was performed after a standard fatty meal to detect malabsorption in patients with celiac disease. Thirty‐seven children (mean age 2.6 ± 2.1 years) with total atrophy of the intestinal villi and 79 controls (mean age 3.5 ± 2.8 years) were studied. All subjects underwent a small‐bowel biopsy, a D‐xylose absorption test, a rapid triglyceride absorption test, and a steatocrit determination first on an uncontrolled diet and then again after a standard fatty meal. The steatocrit test after a fatty meal did not detect any false‐positive or false‐negative results, while the D‐xylose test showed two false‐negative and four false‐positive results, and the rapid triglyceride absorption test found two false‐negative and 23 false‐positive results. We conclude that the determination of steatocrit after a standard fatty meal is a useful, simple, and noninvasive test to identify patients with total intestinal villous atrophy.
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