Question
From the given image, which option corresponds to type III choledochal cyst?
| A. | B |
| B. |
A |
| C. |
D |
| D. |
C |
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Correct Answer » D Explanation |
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Choledochal cysts are congenital anomalies involving cystic dilations of the bile ducts. They are relatively rare and are more commonly diagnosed in children, though they can also be identified in adults. These cysts can cause complications such as biliary obstruction, cholangitis (inflammation of the bile ducts), and an increased risk of developing biliary carcinoma.
Types of Choledochal Cysts
Choledochal cysts are categorized into five types according to the Todani classification, which is based on the location and form of the dilation:
Type I: The most common type, involving dilation of the extrahepatic bile duct.
Type II: Characterized by a true diverticulum of the bile duct.
Type III: Also known as a choledochocele, involves dilation of the intraduodenal portion of the bile duct.
Type IV: Features multiple cysts, both in the intrahepatic and extrahepatic bile ducts.
Type V: Known as Caroli’s disease, involves cystic dilation of intrahepatic bile ducts only, often associated with liver fibrosis.
