Hong Kong Med J 2011;17:71-3 | Number 1, February 2011
Relapse of amoebic infection 10 years after the infection
CH Ng, Lawrence Lai, KS Ng, KK Li
Department of Medicine, Tuen Mun Hospital, Tuen Mun, Hong Kong
A 52-year-old man with schizophrenia, who had a history of amoebic liver abscess treated with combination antimicrobial agents, presented 10 years later with severe rectal bleeding. Diagnosis of amoebic colitis was confirmed by histological examination of endoscopic biopsy. Doctors treating patients with amoebic infection should be aware of the risk of eradication failure. Post-treatment stool testing, preferably by antigen testing or polymerase chain reaction, should be performed after antimicrobial treatment.
Key words: Dysentery, amebic; Entamoeba histolytica; Entamoebiasis; Enzyme-linked immunosorbent assay; Polymerase chain reaction
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