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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Blessmann J, Tannich E. The patient was referred to this hospital for surgical treatment with a provisional diagnosis of carcinoma of the colon. He also had complaints of moderate-to-high-grade fever, with chills and rigors.

The major complications of ameboma include perforation, obstruction, intussusception, anorectal fistula and appendicitis [ 6 ]. Histopathological examination revealed multicentric lesion with focal necrosis and trophozoites of E.

Past and personal history was not significant. Ameboma of the colon with amebic liver abscess mimicking metastatic colon cancer. These features were suggestive of neoplastic etiology of the cecum and ascending colon. Clinical diagnostic problems associated with caecal amoeboma: Pathol Res Pract ; Indian J Gastroenterol ; In necrotic debris, numerous trophozoites of E.

A intestinak carcinoma-like lesion in a colonoscopy finding. Adenocarcinomaamebomacolon. Kinetic spectrophotometric H-point standard addition method for the simultaneous determination of diloxanide furoate and metronidazole in binary mixtures and biological fluids. Right colonic mass with hepatic lesion – Remember ameboma? He had eaten raw food with sashimi and uncooked eggs about 1 month previously.


The therapeutic strategy should be combined with antibiotics for invasive dysentery intewtinal eradication of luminal cysts.

J Coll Physicians Surg Pak ; Trophozoites of Entamoeba histolytica admixed in necrotic amebomx which were periodic acid-Schiff stain positive. Analysis of 55 cases. Ultrasonography of the abdomen showed dilated bowel loops with no intraperitoneal collection and normal solid viscera. Colonoscopic pictures showing a cecal ameboma black arrowileocecal valve red arrow. Follow-up colonoscopy showed much improvement 4 months post treatment and amdboma remission after 8 months fig.

Declaration of patient consent The authors certify that they have obtained all appropriate patient consent forms.

Colonoscopy was planned for biopsy. She had full resolution of symptoms. You can help Wikipedia by expanding it.

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

Pathology of Tropical Diseases. Case Report The year-old male patient denied any prior systemic disease. Liu C, Crawford JN. Grossly, serosa was covered with exudates and showed a healed perforation. A longitudinal study of asymptomatic carriers of pathogenic zymodemes of Entamoeba histolytica.

Differentiation of clinical isolates of Entamoeba histolytica by using specific DNA intestunal. Therefore, metronidazole and paromomycin should not be given at the same time owing to the side effects of paromomycin, the most common being diarrhea, and intestinnal it is difficult to differentially diagnose this from the patient’s response to treatment.


Biopsy revealed extensive necrosis and inflammatory cells. Amebomas are found in decreasing order of frequency in the cecum, the appendix, and rectosigmoid colon. After treatment, the symptoms dramatically improved and there was complete resolution after 8 months shown by follow-up colonoscopy.

This article has been cited by other articles in PMC. Numerous flask-shaped ulcers in cecal mucosa covered with necrotic debris with mixed inflammatory infiltrate. According to the patient’s statement, he had suffered from intermittent bloody stool for nearly 1 month. The initial presentations are usually obstruction and low gastrointestinal bleeding. Dis Colon Rectum ;9: Cytomorphological spectrum of amoebic liver abscess in an uncommon case, clinically masquerading as malignancy.

A mild elevation in C-reactive protein and erythrocyte sedimentation rate were noted.

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

J Assoc Physicians India ; Due to the above problem, he was taken to our emergency room. A final diagnosis of ameboma was made.

Normocytic anemia was also noted and suspected to be related to the bloody stool.