20th July 2020

A 37-year-old male presented to his GP with 7 weeks of unresolved pruritus and right upper quadrant pain

A 37-year-old male presented to his GP with 7 weeks of unresolved pruritus and right upper quadrant pain. Physical examination revealed slight hepatomegaly. He described no recent travelling, denied recreational drug use and alcohol drinking. He does not have any known past medical history, but he did mention that he has been suffering from bloody diarrhoea for years which seems to improve with smoking.

Select the SINGLE most appropriate investigation from the list below which would provide the best diagnostic value. Select ONE option only.