Volume 3, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645


Summary and Conclusions

has been encountered in four appendices and in each case some of the amebae were seen with ingested blood cells. No actual invasion of tissue was found in any case. A marked fibrosis, which could be caused by a low grade irritant, was present in the wall of each appendix. Three of the four appendices also contained worm ova, larvae or adults, but the fibrosis could not be attributed to these. appears as the most likely cause of this fibrosis.

Inasmuch as various symptoms have been reported in infections; as these symptoms generally disappear when the parasite is eliminated; as these amebae are shown to ingest blood cells; and as it apparently acts as an irritant and causes a localized tissue reaction, such as fibrosis, this species probably should be considered as a pathogenic species, but with a lower order of pathogenicity than that produced by or .


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