A 60-year-old man from rural Cambodia with chronic Opisthorchis viverrini infection develops cholangiocarcinoma. What is the estimated risk of develop...

Question

A 60-year-old man from rural Cambodia with chronic Opisthorchis viverrini infection develops cholangiocarcinoma. What is the estimated risk of developing CCA in chronically infected individuals?

Accepted Answer

The risk is significantly elevated; chronic O. viverrini infection increases CCA risk approximately 5-15-fold, and Khon Kaen province in northeast Thailand has the highest CCA incidence in the world due to endemic O. viverrini

Answer

0% - there is no association

Answer

100% of infected individuals develop CCA

Answer

CCA is only associated with hepatitis B, not liver flukes

Answer

Only S. haematobium causes cancer

uk-dtmh MCQ (SBA): O. viverrini CCA Risk

A 60-year-old man from rural Cambodia with chronic Opisthorchis viverrini infection develops cholangiocarcinoma. What is the estimated risk of developing CCA in chronically infected individuals?