Jun 23, Ramachandran BS, Thomas B, Baby S, Thomas R. Multicentric ameboma of the colon mimicking Crohn’s disease. J Dig Endosc ; Case report: Cecal ameboma as a complication of intestinal amebiasis ameboma del ciego, y que se interviene quir├║rgicamente con el diagn├│stico inicial de. Ameboma is an abnormal response, probably to prolonged infection and manifesting as a marked granuloma, mimicking colon carcinoma, except in its rapid.

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Abstract Ameboma is a rare complication of amebic colitis presenting as a mass of granulation tissue with peripheral fibrosis and a core of inflammation related to amebic chronic infection. None, Conflict of Interest: Author information Copyright and License information Disclaimer. It can mimic as appendicular abscess and Crohn’s disease in younger individuals and colon cancer and diverticulitis in elderly.

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The liver lesion resolved completely after 8 weeks. In elderly individual, ameboma can be misdiagnosed as colonic carcinoma. Ileocecal masses in patients nitestinal amebic liver abscess: Amebic colitis is common in developing countries, with its variable and non-specific symptoms. Views Read Edit View history. Please review our privacy policy.

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Ameboma: A Colon Carcinoma-Like Lesion in a Colonoscopy Finding

Entamoeba histolytica infection can lead to colitis, colonic perforation abscess, and ameboma formation. Colonoscopic pictures showing a cecal ameboma black arrowileocecal valve red arrow.


Ultrasonography of the abdomen showed dilated bowel loops with no intraperitoneal collection and normal solid viscera. A comparison of a short course of single daily dosage therapy of tinidazole with inhestinal in intestinal amoebiasis. There were numerous ulcers in the ascending colon.

According to the patient’s statement, he had suffered from intermittent bloody stool for nearly 1 month. Inttestinal mild elevation in C-reactive protein and erythrocyte sedimentation rate were noted.

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The appendix showed obliterative appendicitis with intestinao. All these features pointed to mass-like lesion in colon, as a cause of obstruction that intesstinal colon cancer. Clinical diagnostic problems associated with caecal amoeboma: Kinetic spectrophotometric H-point standard addition method for the simultaneous determination of diloxanide furoate and metronidazole in binary mixtures and biological fluids. He also denied any history of hemorrhoids and had not suffered from the same episode before.

The patient had tachycardia and a toxic look. How to cite this inteetinal Follow-up colonoscopy showed much improvement 4 months post treatment and complete remission after 8 months fig. The best current estimate is that E.

It may result in low gastrointestinal bleeding and bowel obstruction. Other tests, including antigen detection assays, are the best current means for diagnosing intestinal amebiasis since they are sensitive, specific, rapid, easy to perform and distinguish E.


Combined with the symptom of bloody stool for about 1 month, amoebic colitis should be differentially diagnosed. Invasive amebiasis and ameboma formation presenting as a rectal mass: Spectrochimica Acta Part A: A colon carcinoma-like mass was noted in his colonoscopy finding.

Ameboma: A Colon Carcinoma-Like Lesion in a Colonoscopy Finding

Colonic amoebic abscess mimicking carcinoma of the colon. On colonoscopy multiple stricturizing ulcerated lesions involving cecum, ascending, proximal transverse colon, and splenic flexure were seen, which were suggestive of Crohn’s disease or multicentric neoplasm.

Journal of Infection in Developing Countries. Abdominal examination revealed an ill-defined mass in the right iliac fossa which was tender on palpation.

Histopathological examination revealed multicentric lesion with focal necrosis and trophozoites of E. Cytomorphological spectrum of amoebic liver abscess in an uncommon case, clinically masquerading as malignancy.

After treatment, inteestinal symptoms dramatically improved and there was complete resolution after 8 months shown by follow-up colonoscopy. Introduction Amebiasis occurs worldwide, but it is more prevalent in tropical and developing countries.