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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J Assoc Physicians India ; Focal aggregations of amoeba trophozoites were demonstrated by periodic acid-Schiff stain fig.

Rashidul Haque, Christopher D. National Center for Biotechnology InformationU. Conclusion In elderly individual, ameboma can be misdiagnosed as colonic carcinoma. A mild elevation in C-reactive protein and erythrocyte sedimentation rate were noted.

Error | American College of Physicians

Ameboma is a rare complication of amebic colitis and may caused related intraluminal granulation tissues that mimic colon carcinoma [ 4 ]. Colonic amoebic abscess mimicking carcinoma of the colon. Introduction Amebiasis occurs worldwide, but it is more prevalent in tropical and developing countries. Diagnosis is usually made on laparotomy if associated with amebic liver abscess which is the most common extraintestinal manifestation of amebiasis.


The treatment of ameboma includes antibiotics and agents for eliminating intestinal cysts. Gastroenterol Clin North Am. WB Saunders Company; The major complications of ameboma include perforation, obstruction, intussusception, anorectal fistula and appendicitis [ 6 ].

Colonoscopic pictures showing a cecal ameboma intestinak arrowileocecal valve red arrow.

Ameboma of Colon Simulating Colonic Adenocarcinoma

Colonic ameboma accompanied by amebic liver abscess may be misdiagnosed as metastatic colon cancer. Treatment with Metronidazole for 2 weeks followed by diloxanide furoate for an additional 2 weeks was administered.

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. Ulcers were covered with necrotic debris with mixed inflammatory infiltrate.

Ameboma of Colon Simulating Colonic Adenocarcinoma

Dis Colon Rectum ; A comparison of a short course of single daily dosage therapy of tinidazole with metronidazole in intestinal amoebiasis.

This article relies largely or entirely on a single source. She had full resolution of symptoms.


Open in a separate window. The therapeutic strategy combined metronidazole for the invasive amebic dysentery and iodoquinol for the luminal infection. All these features pointed to mass-like lesion in colon, as a cause of obstruction that mimicked colon cancer. Ameboma of the colon with amebic liver abscess mimicking metastatic colon cancer.

In necrotic debris, numerous trophozoites of E. It rarely involves transverse colon, hepatic and splenic flexure.

The best current estimate is that E. Radiological examination depicted concentric thickening of the cecal wall with mass formation and a cystic lesion in the liver. Blessmann J, Tannich E.

Treatment of asymptomatic intestinal Entamoeba histolytica infection. Ileocaecal masses in patients with amoebic intestina, abscess: He also denied any history of hemorrhoids and had not suffered from the same episode before.