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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Combined with the symptom of bloody stool for about 1 month, amoebic colitis should be differentially diagnosed.

J Coll Physicians Surg Pak. Damjanov I, Linder J. No abnormality was detected on per rectal examination.

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

The endoscopy performed showed a growth in the ascending colon. Bedside abdominal echography showed no obvious liver lntestinal. Molecular and Biomolecular Spectroscopy. The approximate length of involvement of the colon was 12—13 cm and maximum thickness was 2. Microscopic examination revealed numerous flask-shaped ulcers in cecal mucosa reaching up to the submucosa. Disease stubs Gastrointestinal tract disorders. How to cite this inteatinal Introduction Amebiasis occurs worldwide, but it is more prevalent in tropical and developing countries.

The patient was referred to this hospital for surgical treatment with a provisional diagnosis of carcinoma of the colon.

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Indian J Pathol Microbiol. The appendix showed obliterative appendicitis with serositis. Ameboma of the colon occurs rarely due to intestianl annular growth of granulation tissue and can present as mass lesion simulating colonic carcinoma in elderly individuals.


Amoeboma of ascending colon with multiple liver abscesses. None, Conflict of Interest: Gastroenterol Clin North Am. Int J of Gerontol.

Ameboma of Colon Simulating Colonic Adenocarcinoma

Colonic amoebic abscess mimicking carcinoma of the colon. The year-old male patient denied any prior systemic disease. Ileocecal masses in patients with amebic liver abscess: He also had complaints of moderate-to-high-grade fever, with chills and rigors. The contamination way was through contaminated dishes, which are washed with groundwater in the high-prevalence region of Indonesia.

By using this site, you agree to ijtestinal Terms of Use and Privacy Policy. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed. Financial support and sponsorship Inteztinal. No evidence of malignancy was noted.

This article has been cited by other articles in PMC. A year-old lady presented with abdominal pain and mass in the right side of abdomen. He also denied any history of hemorrhoids and had not suffered from the same episode before. Related articles Ameboma cecum metastatic cancer.

This article has been cited by 1 Colonoscopic diagnosis of amebiasis: Stool specimens for microscopy are far less sensitive than antigen detection and cannot differentiate between species [ 5 ].


Histopathological examination revealed multicentric lesion with focal necrosis and trophozoites of E. None, Conflict of Interest: Thirteen lymph nodes isolated from mesentery showed reactive hyperplasia.

Amebic perforation of the colon.

Int J Health Allied Sci. Ultrasonography of the abdomen showed dilated bowel loops with no intraperitoneal collection and normal solid viscera. Ameboma mimicking submucosal tumor of the colon in an elderly. Pathologic examination was also performed and showed chronic inflammatory infiltrate of lymphoplasma cells, eosinophils and neutrophils in the edematous fibrous lamina propria. Ameboma of the colon with amebic liver abscess mimicking metastatic colon cancer. Ray G, Iqbal N. In the colonoscopy finding, ulcerative mass with ulceration and mucosal change over the rectum, ascending colon and cecum, Crohn’s disease, carcinoma of the colon, non-Hodgkin’s lymphoma, tuberculosis, fungal infection, AIDS-associated lymphoma and Kaposi’s sarcoma are considerations of differential diagnosis.

Treatment of asymptomatic intestinal Entamoeba histolytica infection.

Trophozoites of Entamoeba histolytica admixed in necrotic debris which were periodic acid-Schiff stain positive. She had full resolution of symptoms.

The most common clinical symptoms of amebic infection are amebic colitis, which has various symptoms, and amebic liver abscess. Trophozoites can be misdiagnosed as macrophages on routine staining.