Stool: Dientamoeba fragilis –  Shipped July 2013

Educational Highlights

  • Identification of trophozoites in wet mounts is difficult as they may be encountered as refractile, rounded forms, varying in size.
  • D. fragilis trophozoite identification requires examination of a permanent stained smear using an oil immersion lens (total magnification of 1,000X) as the stained smear is the only method that ensures maintaining the morphology of the organism.

Full critique (PDF)

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