1 MCQs in Radiology for NEET PG
A 62-year-old man presents with progressive painless jaundice, weight loss, and pruritus. Contrast-enhanced CT of the abdomen shows a hypoattenuating mass in the pancreatic head with a dilated common bile duct and the structure marked **C** (dilated main pancreatic duct). The radiologist reports a "double-duct sign." Which of the following best explains the pathophysiology of the dilated main pancreatic duct marked **C** in this clinical context?
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