Opisthorchis sinensis (previously known as Clonorchis sinensis) is an Oriental liver fl uke. This trematode can be found worldwide but its prevalence is highest in East Asia such as China, Taiwan, Japan and Korea. Clinical presentation ranges from asymptomatic carriage to severe infestation resulting in liver failure. We report a case of a Chinese immigrant who presented with intermittent fever and tea-coloured urine. In view of the absence of a definitive diagnosis of cholangiocarcinoma and supportive circumstantial evidence, a possible diagnosis of Opisthorchiasis was made by a multi-disciplinary team. This is the longest infestation period recorded, the previous being 50 years reported by Seah.1
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