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 quirúrgicamente con el diagnóstico 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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Contrast-enhanced computerized tomography scanning of the abdomen showed irregular mural thickening of the cecum and ascending colon till hepatic flexure [ Figure 1 ].

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N Engl J Med ; These features were suggestive of neoplastic etiology of the cecum and ascending colon. J Assoc Physicians India ; By using this site, you agree to the Terms of Use and Privacy Policy.

The ameboma may manifest as a right lower quadrant abdominal mass, which may be mistaken for carcinoma, tuberculosisCrohn’s diseaseactinomycosisor lymphoma.

A year-old lady presented with abdominal pain and mass in the right side of abdomen. Treatment with Metronidazole for 2 weeks followed by diloxanide furoate for an additional 2 weeks was administered.

The authors certify that they have obtained all appropriate patient consent forms. Liu C, Crawford JN. Problems in recognition and diagnosis of amebiasis: The treatment of ameboma intestiinal antibiotics and agents for eliminating intestinal cysts.


In our case, the patient lived in an endemic region India and his dishes were cleaned with uncooked water. In necrotic debris, numerous trophozoites of E. Microscopic picture of multicentric amebomashowing trophozoites with ingested RBCs red arrows Click here to view. Thirteen lymph nodes isolated from mesentery showed reactive hyperplasia.

Sitemap What’s New Feedback Disclaimer. He had also been suffering from abdominal pain over the periumbilical area, especially on the right site, for about 1 month. According to his statement, the locals clean the dishes with groundwater.

Damjanov I, Linder J.

Ameboma of Colon Simulating Colonic Adenocarcinoma

Robbins and cotran pathologic basis of disease. According to the patient’s statement, he had suffered from intermittent bloody stool for nearly 1 month. Past and personal history was not significant.

A year-old gentleman presented to our hospital in the Department of Medicine with complaints of the right lower quadrant abdominal pain, abdominal distension, and constipation for the past 2 days. Diagnosis is usually made on laparotomy if associated with amebic liver abscess which is the most common extraintestinal manifestation of amebiasis.

Ameboma of the colon with amebic liver abscess mimicking metastatic colon cancer.

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.


Author information Copyright and Amebomq information Disclaimer. Most patients with E. Metronidazole both eliminates the invading trophozoites and eradicates intestinal carriage of the organism. Articles needing additional references from May All articles needing additional references All stub ijtestinal. How to cite this URL: Staining with PAS or immunoperoxidase and antilectin antibodies aids in the visualization of amoebae.

Ameboma – Wikipedia

Amebomas occur rarely, resulting from the formation of annular granulation tissue, usually in the cecum and in the ascending colon. Conclusion In elderly individual, intestinzl can be misdiagnosed as colonic carcinoma. Retrieved from ” https: Ameboma is a rare complication of amebic colitis and may caused related intraluminal granulation tissues that mimic colon carcinoma [ 4 ]. A mild elevation in C-reactive protein and erythrocyte sedimentation rate were noted.

National Center for Biotechnology InformationU. Ileocecal masses in patients with amebic liver abscess: The most common clinical symptoms of amebic infection are amebic colitis, which has various symptoms, and amebic liver abscess.

The year-old male patient denied any prior systemic disease. Caecal amoeboma simulating malignant neoplasia, ileocaecal tuberculosis and Crohn’s disease.