Definition and Use
- This test is submitted for the evaluation of stool specimens in patients with diarrhea and risk for enteric parasite infection. It is used for the direct detection of the intracellular microsporidial parasitic pathogens.
- Permanent smears of diarrheal stool are stained with modified trichrome stains (chromotrope 2R) or similar stains.
- Fresh and preserved specimens are collected and transported to the laboratory according to recommendations for stool submitted for routine O & P examination.
- Turnaround time: 24 " “72 hours.
Interpretation
- Expected results: Negative.
- Positive results: Confirms a diagnosis of microsporidiosis in patients with compatible signs and symptoms.
- Negative results: A negative result does not rule out microsporidiosis. Multiple specimens may be required for diagnosis in infected patients.
Suggested Readings
1CLSI. Procedures for the Recovery and Identification of Parasites From the Intestinal Tract; Approved Guideline, 2nd ed. Wayne, PA: Clinical and Laboratory Standards Institute; 2005. 2Garcia ‚ LS. Diagnostic Parasitology, 5th ed. Washington, DC: ASM Press; 2007.