Pathologists raise concerns about faecal screening

Australian pathologists have issued new recommendations for faecal pathogen screening aimed at preventing over-diagnosis and over-treatment that has arisen thanks to modern DNA-based diagnostics methods (PCR).

The recommendations are necessary because the new tests have led to a dramatic improvement in the ability to detect of Dientamoeba fragilis and Blastocystis species, says the The Royal College of Pathologists.

Spokesperson Dr Harsha Sheorey says there is controversy about the role of the organisms and they are much more common than