Stool: Dientamoeba fragilis and Blastocystis species –  Shipped April 12, 2021

Educational Highlights

  • Immediate fixation of feces is necessary to preserve the morphology of Dientamoeba fragilis as the trophozoites degenerate rapidly in unpreserved stools.
  • Intestinal infection with D. fragilis can be asymptomatic or cause a wide range of symptoms. Intermittent diarrhea, abdominal pain, nausea, anorexia, malaise, fatigue, and poor weight gain, have been associated with D. fragilis infection.

Full critique (PDF)

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