Steatorrhea diagnostic study of choice: Difference between revisions
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{{CMG}}; {{AE}}{{Vbe}} | {{CMG}}; {{AE}}{{Vbe}} | ||
== Overview == | == Overview == | ||
The 72 hr-fecal fat determination is the gold standard test for | The 72 hr-fecal fat determination is the gold standard test for the diagnosis of steatorrhea | ||
== Diagnostic Study of Choice == | == Diagnostic Study of Choice == | ||
Revision as of 14:34, 8 February 2018
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Steatorrhea diagnostic study of choice On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Vindhya BellamKonda, M.B.B.S [2]
Overview
The 72 hr-fecal fat determination is the gold standard test for the diagnosis of steatorrhea
Diagnostic Study of Choice
Study of choice:
- 72 hr-fecal fat determination is the gold standard test for the diagnosis of steatorrhea
- The following result of 72 hr-fecal fat determination is confirmatory of steatorrhea
- Greater than 6 gram/day of fat in stool is diagnostic, usually patients with steatorrhea usually have >20 gram/day
- Investigations:
- Among patients who present with clinical signs of steatorrhea, the acid steatocrit is the most specific test for the diagnosis.
- Among patients who present with clinical signs of steatorrhea, the acid steatocrit is the most sensitive test for diagnosis.
- Among patients who present with clinical signs of steatorrhea, the acid steatocrit is the most efficient test for diagnosis.
The comparison table for diagnostic studies of choice for steatorrhea
| Sensitivity | Specificity | |
|---|---|---|
| 72 hr-fecal fat determination | 76% | 99% |
| SudanIII stain | 95% | 94% |
| Acid steatocrit | 95% | 100% |