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Related Experiment Video

Updated: Jan 31, 2026

Assessment of Human Adipose Tissue Microvascular Function Using Videomicroscopy
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Function Regulation Assessment and Pathophysiological Dysfunction Repair of Oddi Sphincter.

Shaodong Li1,2, Hucheng Li2, Shuo Jin2

  • 1Department of Hepatobiliary and Pancreatic Surgery, General Surgery Center, The First Bethune Hospital of Jilin University, Changchun, China.

ANZ Journal of Surgery
|January 30, 2026
PubMed
Summary

The sphincter of Oddi (SO) regulates bile and pancreatic flow. Dysfunction can lead to cancer, but new noninvasive diagnostic tools and treatments are emerging for better patient outcomes.

Keywords:
dysfunction repairfunction regulation assessmentsphincter of Oddisphincter of Oddi dysfunctiontumors of the biliary system

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Area of Science:

  • Gastroenterology and Hepatology
  • Surgical Innovation
  • Diagnostic Imaging

Background:

  • The sphincter of Oddi (SO) is a crucial valve in the pancreatobiliary system.
  • Its functional assessment and repair remain areas needing further investigation.
  • SO dysfunction is linked to pancreatobiliary diseases and increased cancer risk.

Purpose of the Study:

  • To systematically review SO regulatory mechanisms, diagnostic methods for dysfunction, and repair strategies.
  • To highlight the need for advanced assessment tools in precision medicine.
  • To explore the link between SO anomalies and biliary tract carcinogenesis.

Main Methods:

  • Systematic review of existing literature on SO function, dysfunction, and treatment.
  • Analysis of regulatory mechanisms (neural, humoral, neurohumoral).
  • Evaluation of diagnostic techniques including invasive SO manometry (SOM) and noninvasive methods like QHBS and ss-MRCP.

Main Results:

  • SO myoelectrical activity is complex and incompletely understood.
  • Abnormal SO motility is associated with pancreatobiliary diseases.
  • Noninvasive diagnostic tools show clinical promise, complementing invasive SOM.
  • Various endoscopic and surgical repair strategies exist for SOD.

Conclusions:

  • Standardized noninvasive assessment tools are essential for precise diagnosis of SO disorders.
  • Developing quantifiable and visualizable methodologies will improve understanding and patient outcomes.
  • Further research is needed to fully elucidate SO regulatory pathways and optimize treatment strategies.