Year 2022 / Volume 114 / Number 10
Letter
Cecal ameboma and a liver abscess mimicking metastatic colonic cancer. An autochthonous infectious disease in Spain?

634-635

DOI: 10.17235/reed.2022.8854/2022

Esteban Fuentes-Valenzuela, Ana Yaiza Carbajo, Samuel Juan Fernández-Prada, Carmen Martínez Lara, Félix García-Pajares,

Abstract
We present the case of 52 years-old male without any recent travel. He was admitted to our department for a history of fever and abdominal pain. A CT scan showed a cecal thickening and liver mass with suspected cecal carcinoma with infected necrotic liver metastasis. Although the colonoscopy revealed a bulky submucosal wall thickening with a fibrined ulcer with yellow granulating located in the cecum, the percutaneous drainage revealed a positive PCR for Entamoeba histolytica, with improvement with metronidazole treatment. Ameboma are ulcerative, exophytic, inflammatory masses up to 15 cm in diameter in patients with long standing colonic amoebic infections containing granulation tissue with pseudotumor appearance. It affects less than 1.5% of colonic invasive amebiasis. Moreover, concomitant hepatic amoebic can be observed up to 30%, mimicking colonic cancer with necrotic liver metastasis. Although no epidemiological risk factor for amoebic infection was detected. We therefore highlight the awareness of amoebic infection and different manifestation even in non-endemic areas.
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References
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Fuentes-Valenzuela E, Carbajo A, Fernández-Prada S, Martínez Lara C, García-Pajares F. Cecal ameboma and a liver abscess mimicking metastatic colonic cancer. An autochthonous infectious disease in Spain?. 8854/2022


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Publication history

Received: 09/04/2022

Accepted: 12/04/2022

Online First: 26/04/2022

Published: 07/10/2022

Article Online First time: 17 days

Article editing time: 181 days


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