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Choledochocele: the disputed origin
M Ezzedien Rabie1, Suliman M Al-Humayed, Mohammad H Hosni
1Department of Surgery, College of Medicine and Medical Sciences, King Khalid University, Abha, Saudi Arabia. ezzedien@hotmail.com
International Surgery
|February 11, 2003
Summary
Choledochocele, a type III choledochal cyst, lacks the premalignant potential of other types. Its duodenal lining suggests a different origin, questioning its classification with choledochal cysts.
Area of Science:
- Gastroenterology and Hepatobiliary Surgery
- Congenital Anomalies of the Biliary Tract
Background:
- Choledochocele is classified as a type III choledochal cyst (CC) under the Alonso-Lej system.
- Choledochal cysts are congenital dilations of the bile ducts with significant premalignant potential.
Observation:
- Choledochocele exhibits a distinct anatomical relationship with the common bile duct.
- Histological examination reveals the presence of duodenal mucosa lining many choledochal cysts.
Findings:
- Despite anatomical proximity, choledochocele does not share the high premalignant potential associated with other choledochal cyst types.
- The presence of duodenal mucosa suggests a potential origin distinct from typical choledochal cysts.
Implications:
- These unique characteristics challenge the current classification of choledochocele as a type of choledochal cyst.
- Further research is warranted to revise the classification and understand the distinct etiology of choledochocele.