Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Endoscopic Procedures I: Esophagogastroduodenoscopy

Endoscopic Procedures I: Esophagogastroduodenoscopy

An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
During an EGD, the endoscope can be used to:

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Pictorial Review of Intraventricular Brain Tumors in Adults and Children.

Radiographics : a review publication of the Radiological Society of North America, Inc·2026

Same author

Ear Piercing Complications: Comparing Cartilage and Soft Tissue Piercings in a Large Survey Cohort.

The Laryngoscope·2026

Same author

Trends in Neuroradiology Fellowship Positions and Match Outcomes in the United States, 2009 to 2025.

AJNR. American journal of neuroradiology·2026

Same author

Clinical Utility of Contemporary Digital Infusion Submandibular Sialography.

Laryngoscope investigative otolaryngology·2025

Same author

Inter-rater reliability of atherosclerotic plaque enhancement on 7 T vessel wall MRI: Comparison with quantitative analysis.

Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences·2025

Same author

Changes in Endotracheal Cuff Pressure During Positioning From Supine to Beach Chair in Shoulder Surgery: A Prospective Case Series.

Cureus·2025

Search research articles

Related Experiment Video

Updated: May 12, 2026

Retroductal Nanoparticle Injection to the Murine Submandibular Gland

Retroductal Nanoparticle Injection to the Murine Submandibular Gland

Published on: May 3, 2018

Stensen's Duct Dynamic Anatomy Assessed with Sialography.

Piper A Wenzel¹, Ryan K Thorpe¹, Joan E Maley²

¹Department of Otolaryngology - Head and Neck Surgery, University of Iowa Hospitals and Clinics, Iowa City, IA, USA.

Ear, Nose, & Throat Journal

|August 28, 2024

Summary

Dynamic infusion digital sialography reveals the full extent of Stensen's duct, overcoming limitations of static imaging. This novel technique assesses dynamic changes in duct length and angulation during catheter removal.

Keywords:

Stensen’s duct parotid salivary glands sialendoscopy sialography

More Related Videos

In Vivo Vascular Permeability Detection in Mouse Submandibular Gland

In Vivo Vascular Permeability Detection in Mouse Submandibular Gland

Published on: August 4, 2022

Author Spotlight: A Focus on Standardized Salivary Gland Ultrasound Protocol in Connective Tissue Disease Research

Author Spotlight: A Focus on Standardized Salivary Gland Ultrasound Protocol in Connective Tissue Disease Research

Published on: October 13, 2023

Related Experiment Videos

Last Updated: May 12, 2026

Retroductal Nanoparticle Injection to the Murine Submandibular Gland

Retroductal Nanoparticle Injection to the Murine Submandibular Gland

Published on: May 3, 2018

In Vivo Vascular Permeability Detection in Mouse Submandibular Gland

In Vivo Vascular Permeability Detection in Mouse Submandibular Gland

Published on: August 4, 2022

Author Spotlight: A Focus on Standardized Salivary Gland Ultrasound Protocol in Connective Tissue Disease Research

Author Spotlight: A Focus on Standardized Salivary Gland Ultrasound Protocol in Connective Tissue Disease Research

Published on: October 13, 2023

Area of Science:

Radiology
Medical Imaging
Anatomy

Background:

Static imaging methods for sialography obscure distal ductal anatomy.
Dynamic changes in the flexible salivary ductal system are not well-assessed by current techniques like cone beam computed tomography and magnetic resonance sialography.

Purpose of the Study:

To introduce and evaluate a novel approach using dynamic infusion digital sialography to analyze the complete Stensen's duct.
To identify dynamic changes in the parotid gland's Stensen's duct anatomy.

Main Methods:

Retrospective review of 409 parotid sialograms, selecting 14 cases (7 normal, 7 with strictures).
Dynamic (fluoroscopic) infusion sialography with contrast (iopamidol/gadolinium) was performed.
Measurements of duct length and masseteric bend angle were taken in repose, during catheter withdrawal (stretch), and after withdrawal (recoil).

Main Results:

Stensen's duct length increased by a median of 6.3% during catheter withdrawal (P < .001).
The angle of the masseteric bend significantly increased from 117.7° in repose to 155.4° during catheter withdrawal (P < .001).
This dynamic technique allowed unobstructed visualization of the distal duct.

Conclusions:

Dynamic infusion digital sialography with fluoroscopic recording during catheter removal enables unobstructed assessment of the distal duct.
The technique effectively captures the dynamic nature, varying length, and angulation of Stensen's duct.
This method offers a comprehensive analysis of parotid gland ductal anatomy.