Ameboma

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An ameboma, also known as an amebic granuloma, is a rare complication of Entamoeba histolytica infection, where in response to the infecting amoeba there is formation of annular colonic granulation, which results in a large local lesion of the bowel. [1] [2]

Contents

Presentation

The ameboma may manifest as a right lower quadrant abdominal mass, which may be mistaken for carcinoma, tuberculosis, Crohn's disease, actinomycosis, or lymphoma. [3]

Diagnosis

Biopsy is necessary for definitive diagnosis.

References

  1. ↑ Amebiasis at eMedicine
  2. ↑ Palacios, Mauricio; Guachilema R, Alex; Lisintuña, Andrea; Yepez, Julio; Verboonen, Sergio (2024-12-01). "Ameboma, a rare cause of intestinal obstruction in bariatric surgery patients: a case report". Journal of Surgical Case Reports. 2024 (12): rjae759. doi:10.1093/jscr/rjae759. ISSN   2042-8812. PMC   11632824 . PMID   39664271.
  3. ↑ Palmer, Philip E. S.; Reeder, Maurice M. (2000-11-08). The Imaging of Tropical Diseases: With Epidemiological, Pathological and Clinical Correlation. Springer Science & Business Media. ISBN   978-3-540-56028-9.
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