When a cholecystectomy is performed, are the bile ducts also removed?

When the Gallbladder is Removed, Are the Ducts Removed as Well?

No, the bile ducts themselves are not removed during cholecystectomy—only the gallbladder and a small portion of the cystic duct (which connects the gallbladder to the main bile duct system) are excised. 1, 2

What Is Actually Removed During Cholecystectomy

During a standard cholecystectomy, the surgeon removes:

• The gallbladder itself (the organ that stores bile) 2
• The cystic duct (the small duct connecting the gallbladder to the common bile duct), which is clipped and divided close to where it joins the gallbladder 1, 2
• The cystic artery (the blood vessel supplying the gallbladder), which is also clipped and divided 1, 2

What Is Preserved During Cholecystectomy

The main bile duct system remains completely intact and functional:

• The common hepatic duct (which drains bile from the liver) is preserved 1
• The common bile duct (which carries bile to the small intestine) is preserved 1
• The right and left hepatic ducts (which drain the right and left sides of the liver) are preserved 1

The surgical goal explicitly requires no exposure of the common bile duct during dissection—the Critical View of Safety technique mandates clearing only the hepatocystic triangle (the area immediately around the gallbladder) while keeping the main bile ducts completely untouched. 1, 2

Why This Distinction Matters Clinically

The preservation of the bile duct system is critical because:

• Bile duct injuries occur in 0.4-1.5% of laparoscopic cholecystectomies when surgeons accidentally mistake the common hepatic duct for the cystic duct and inadvertently clip or transect it 3, 4
• Such injuries represent the most serious complication of cholecystectomy, with mortality rates up to 3.5% and often requiring complex reconstruction with hepaticojejunostomy 5, 4
• The most common mechanism of major bile duct injury is misidentification—the surgeon removes a segment of the common hepatic duct thinking it is the cystic duct 4

Common Pitfall: Accessory Bile Ducts

While the main bile ducts are preserved, small accessory bile ducts (also called ducts of Luschka or cystohepatic ducts) that run through the gallbladder bed may be transected during gallbladder removal:

• These small ducts drain directly from the liver into the gallbladder or gallbladder fossa 6, 7
• Injury to these accessory ducts can cause bile leaks postoperatively, though these are typically minor and manageable with endoscopic stenting 7
• These accessory ducts are not part of the main bile duct system and their transection does not compromise bile drainage from the liver 7

Special Circumstance: Subtotal Cholecystectomy

In cases of severe inflammation where safe dissection is impossible, surgeons may perform a subtotal cholecystectomy, leaving a portion of the gallbladder wall attached to preserve the bile ducts:

• This technique deliberately leaves gallbladder remnant tissue to avoid injuring the common bile duct 2, 8
• The cystic duct may be left in place if it cannot be safely identified 8
• This approach prioritizes bile duct preservation over complete gallbladder removal 2