What percentage of people have a third bile duct?

Hello. I will try to answer your questions.

The presence of a third bile duct, also known as an accessory bile duct, is considered a variation in the anatomy of the biliary system. While I cannot find specific statistics on the exact percentages you've mentioned, I can provide you with some general information:

1. Prevalence of a Third Bile Duct: The presence of a third bile duct can occur in a small percentage of the population, but the exact prevalence can vary among different studies and populations. It is generally considered to be a relatively rare anatomical variation.

2. Third Bile Duct in Gallbladder Patients: The presence of a third bile duct in patients with gallbladder issues is also relatively uncommon. The percentage of gallbladder patients who have a third bile duct can vary, but it is generally considered to be a relatively low occurrence.

3. Missed Third Bile Duct during Surgery: While it is not uncommon for surgeons to encounter a third bile duct during gallbladder surgery, the percentage of cases where it might be missed can vary. The identification of anatomical structures during surgery depends on the surgeon's skill and experience, as well as the complexity of the individual case.

4. Surgeons and Third Bile Duct: Surgeons who perform gallbladder removal surgeries (cholecystectomy) are generally trained to be aware of anatomical variations, including the presence of a third bile duct. However, due to the relatively rare occurrence, it's possible that in some cases, the presence of a third bile duct may not be anticipated or identified during the surgery.

It's important to note that the information provided is based on general knowledge, and specific percentages may vary depending on the population and individual circumstances. If you need anything more, I'm at your disposal.