Schistosoma Exam, Urine
As an aid in diagnosing schistosomiasis infections involving the urinary tract
Clinical Information Discusses physiology, pathophysiology, and general clinical aspects, as they relate to a laboratory test
Schistosomiasis is an infection caused by several species of trematodes (flukes) in the genus Schistosoma. The adult worms of Schistosoma hematobium inhabit the venus plexus of the bladder and rectum and produce eggs which are typically passed in the urine. Identification of characteristic eggs in urine is diagnostic for infection with this organism.
Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.
If positive, organism identified
A positive result indicates the presence of Schistosoma species ova in urine.
A negative result does not rule out the presence of Schistosoma species since ova may be present at levels below the detection limits of this assay, or infection may not involve the urinary tract.
Cautions Discusses conditions that may cause diagnostic confusion, including improper specimen collection and handling, inappropriate test selection, and interfering substances
No significant cautionary statements
Clinical Reference Provides recommendations for further in-depth reading of a clinical nature
1. Garcia L: Diagnostic Medical Parasitology. Fifth edition. Washington, DC, ASM Press, 2007
2. Ash L, Orihel T: Atlas of Human Parasitology. Fifth edition. Chicago, IL. American Society of Clinical Pathologists (ASCP) Press; 2007