The vacuole type was the most often seen and accounted for 84% of all 4 types. Blastocystis hominis infection was often found to be associated with Entamoeba coli and other intestinal protozoa,leading to diarrhea in these patients.

• 人芽囊原虫在肠道中可出现多种形态，但以空泡型为最常见占84%25，易与结肠内阿米巴和其它非致病阿米巴合并感染，且与患者的腹泻有一定关系。