Question:
Choledochal cyst is dilatation of
Choledochal cyst is dilatation of
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It is a congenital cystic dilatation of the biliary tree, not just one named duct.
Updated On: Jun 24, 2026
- Gall bladder
- CBD
- Hepatic duct
- Bile duct
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The Correct Option is D
Solution and Explanation
Step 1: A choledochal cyst is a congenital cystic dilatation of the biliary tree.
Step 2: The dilatation can involve the extrahepatic or intrahepatic bile ducts, alone or in combination, as classified by the Todani system.
Step 3: Because the abnormality is of the bile duct in general (not confined to the common bile duct), the best and most complete answer is bile duct.
Step 4: The gall bladder and hepatic duct alone do not define the lesion, and CBD is only the most frequent single segment involved (type I), so the broader term bile duct is the intended answer.
Step 2: The dilatation can involve the extrahepatic or intrahepatic bile ducts, alone or in combination, as classified by the Todani system.
Step 3: Because the abnormality is of the bile duct in general (not confined to the common bile duct), the best and most complete answer is bile duct.
Step 4: The gall bladder and hepatic duct alone do not define the lesion, and CBD is only the most frequent single segment involved (type I), so the broader term bile duct is the intended answer.
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