Hepatobiliary and Pancreatic: A rare peribiliary lesion

Question: A 10-year-old Lebanese boy presented with 10 days of intermittent periumbilical pain, lethargy, and reduced appetite. He had been pruritic for several months. He was mildly constipated but passing brown stools. He had a past history of seasonal asthma but was otherwise well. He was Australian by birth but had previously lived in rural Lebanon for 5 years. On examination, there was hepatomegaly with a soft liver edge 2 cm below the...