Biliary Duct Anomalies: Unexpected High Rate

JAMA. 1966;197(8):30-31. doi:10.1001/jama.1966.03110080020007.
Text Size: A A A
Published online


Biliary duct anomalies, which transform a routine gallstone operation into a potentially hazardous procedure, occur more frequently than surgeons realize, a Yale study has shown.

Among 1,000 consecutive patients undergoing surgery for cholelithiasis or its complications, 47.7% had duct structures which departed from the anatomical ideal.

Surgical Damage  "When the surgeon encounters such an anomaly unexpectedly he runs the risk of improperly identifying all structures and doing surgical damage to biliary drainage," Mark A. Hayes, MD, PhD, noted. "Common duct strictures, for instance, have a mortality of 50% or more."Dr. Hayes reported the study to the 46th annual Coller-Penberthy-Thirlby Medical Congress in Traverse City, Mich. He is professor of surgery in Yale's School of Medicine and attending surgeon at Yale-New Haven Hospital.

Commonly Encountered  Most commonly encountered anomalies were abnormal length of the common hepatic duct, seen 232 times; and accessory ducts, observed in 157 patients. Together these accounted


Sign In to Access Full Content

Don't have Access?

Register and get free email Table of Contents alerts, saved searches, PowerPoint downloads, CME quizzes, and more

Subscribe for full-text access to content from 1998 forward and a host of useful features

Activate your current subscription (AMA members and current subscribers)

Purchase Online Access to this article for 24 hours




Meets CME requirements for:
Browse CME for all U.S. States
Accreditation Information
The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
Note: You must get at least of the answers correct to pass this quiz.
You have not filled in all the answers to complete this quiz
The following questions were not answered:
Sorry, you have unsuccessfully completed this CME quiz with a score of
The following questions were not answered correctly:
Commitment to Change (optional):
Indicate what change(s) you will implement in your practice, if any, based on this CME course.
Your quiz results:
The filled radio buttons indicate your responses. The preferred responses are highlighted
For CME Course: A Proposed Model for Initial Assessment and Management of Acute Heart Failure Syndromes
Indicate what changes(s) you will implement in your practice, if any, based on this CME course.
Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).


Some tools below are only available to our subscribers or users with an online account.

Sign In to Access Full Content

Related Content

Customize your page view by dragging & repositioning the boxes below.