href="#ub66d1a7d-3ea6-47a7-a11f-d12dc5ed0c1c">Overview of Preservatives
Sodium Acetate-Acetic Acid-Formalin (SAF)
Modified PVA (Mercury Substitutes)
Single-Vial Collection Systems (Other Than SAF)
Quality Control for Preservatives
Procedure Notes for Use of Preservatives (Stool Fixative Collection Vials)
Procedure Limitations for Use of Preservatives (Stool Fixative Collection Vials)
STAT Test Requests and Risk Management Issues
Collection of Specimens from Other Body Sites
Table 3.1 Fecal Specimens for Parasites: Options for Collection and Processing
Table 3.2 Approaches to Stool Parasitology: Test Ordering
Table 3.3 Preservatives and Procedures Commonly Used in Diagnostic Parasitology (Stool Specimens)
Table 3.4 Advantages of Thin and Thick Blood Films
Table 3.5 Advantages and Disadvantages of Buffy Coat Films
Table 3.7 Body Sites and Possible Parasites Recovered
SECTION 4 Specimen Test Options: Routine Diagnostic Methods and Body Sites
Ova and Parasite Examination of Stool Specimens
Other Diagnostic Methods for Stool Specimens
Culture of Larval-Stage Nematodes
Estimation of Worm Burdens through Egg Counts
Hatching Test for Schistosome Eggs
Screening Stool Samples for Recovery of a Tapeworm Scolex
Testing of Other Intestinal Tract Specimens
Duodenal Capsule Technique (Entero-Test)
QBC Microhematocrit Centrifugation Method
Animal Inoculation and Xenodiagnosis
Antibody and Antigen Detection
Antigen Detection and Nucleic Acid-Based Tests
Table 4.1 Body Site, Procedures and Specimens, Recommended Methods and Relevant Parasites, and Comments
Table 4.2 Serologic, Antigen, and Probe Tests Used in the Diagnosis of Parasitic Infections