Invasive amebiasis and ameboma formation presenting as a rectal mass: An uncommon case of malignant masquerade at a western medical center.

@article{Hardin2007InvasiveAA,
  title={Invasive amebiasis and ameboma formation presenting as a rectal mass: An uncommon case of malignant masquerade at a western medical center.},
  author={Rosemarie-E Hardin and G. Ferzli and Michael-E Zenilman and P. Gadangi and Wilbur-B Bowne},
  journal={World journal of gastroenterology},
  year={2007},
  volume={13 42},
  pages={5659-61}
}
A 54-year-old man presented with rectal pain and bleeding secondary to ulcerated, necrotic rectal and cecal masses that resembled colorectal carcinoma upon colonoscopy. These masses were later determined to be benign amebomas caused by invasive Entamoeba histolytica, which regressed completely with medical therapy. In Western countries, the occurrence of invasive protozoan infection with formation of amebomas is very rare and can mistakenly masquerade as a neoplasm. Not surprisingly, there have… CONTINUE READING

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