Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

239
This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
239
Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

1.6K
Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
Patient...
1.6K
Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

498
Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...
498
Gallbladder01:17

Gallbladder

1.4K
The gallbladder is a small, pear-shaped organ that plays a crucial role in our digestive system. Measuring about 10 cm in length, it is comparable in size to a kiwi fruit and is located in a hollow area on the lower surface of the liver. The gallbladder's primary function is to store and concentrate bile, a fluid produced by the liver that aids in digestion.
The gallbladder's anatomy consists of three regions: the fundus, body, and neck. Extending from the neck, the cystic duct joins...
1.4K

You might also read

Related Articles

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

Sort by
Same author

Neoadjuvant Bevacizumab and Chemoradiotherapy for Locally Advanced Rectal Cancer: Long-Term Outcomes of a Multicentre Study.

Clinical colorectal cancer·2026
Same author

Knowledge gaps in tubular gut tumours: a critical appraisal of the 6th edition of the World Health Organization classification of tumours.

The Journal of pathology·2026
Same author

PANTHER Challenge Report: Cross-Domain Pancreatic Tumor Segmentation in Magnetic Resonance Imaging.

Medical image analysis·2026
Same author

The prognostic value of tumour budding for survival in stage II and III colorectal cancer: a systematic review and meta-analysis.

Histopathology·2026
Same author

Changes in liver resections and associated outcomes over thirty years: a nationwide analysis using a machine learning approach.

European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology·2026
Same author

ypTNM versus pTNM staging after neoadjuvant therapy in rectal cancer.

Journal of the National Cancer Institute·2026

Related Experiment Video

Updated: Nov 22, 2025

The Role of Indocyanine Green Fluorescence in Complex Laparoscopic Cholecystectomy Navigation
03:27

The Role of Indocyanine Green Fluorescence in Complex Laparoscopic Cholecystectomy Navigation

Published on: January 31, 2025

916

Imaging based flowchart for gallbladder polyp evaluation.

Sarah Z Wennmacker1, Elise A J de Savornin Lohman1, Philip R de Reuver1

  • 1Department of Surgery, Radboud University Medical Centre, the Netherlands.

Journal of Medical Imaging and Radiation Sciences
|January 10, 2021
PubMed
Summary

Improving gallbladder polyp diagnosis with targeted ultrasound and MRI can help differentiate neoplastic from nonneoplastic types. This enhances treatment decisions, moving beyond the unspecific 1 cm size threshold.

Keywords:
GallbladderMagnetic resonance imagingPolypsUltrasonography

More Related Videos

Author Spotlight: Point-of-Care Ultrasound for Gastric Content Assessment and Risk Stratification in Perioperative Care
05:50

Author Spotlight: Point-of-Care Ultrasound for Gastric Content Assessment and Risk Stratification in Perioperative Care

Published on: September 22, 2023

3.8K

Related Experiment Videos

Last Updated: Nov 22, 2025

The Role of Indocyanine Green Fluorescence in Complex Laparoscopic Cholecystectomy Navigation
03:27

The Role of Indocyanine Green Fluorescence in Complex Laparoscopic Cholecystectomy Navigation

Published on: January 31, 2025

916
Author Spotlight: Point-of-Care Ultrasound for Gastric Content Assessment and Risk Stratification in Perioperative Care
05:50

Author Spotlight: Point-of-Care Ultrasound for Gastric Content Assessment and Risk Stratification in Perioperative Care

Published on: September 22, 2023

3.8K

Area of Science:

  • Gastroenterology
  • Radiology
  • Oncology

Background:

  • Differentiating neoplastic from nonneoplastic gallbladder polyps preoperatively is challenging.
  • The current 1 cm size threshold for neoplasia lacks specificity.
  • Improved diagnostic work-up is needed for accurate gallbladder polyp evaluation.

Purpose of the Study:

  • To enhance the diagnostic accuracy of gallbladder polyps.
  • To utilize sonographic and MRI characteristics for differentiating polyp types.
  • To improve preoperative assessment and guide cholecystectomy decisions.

Main Methods:

  • Prospective, exploratory study of patients undergoing cholecystectomy for gallbladder polyps.
  • Targeted transabdominal ultrasound (TAUS) and MRI were performed.
  • Histopathology served as the reference standard for polyp diagnosis.

Main Results:

  • Sensitivity for polyp identification improved to 86% with targeted TAUS and MRI, versus 72% for routine TAUS.
  • Specific sonographic and MRI features were identified for neoplastic and nonneoplastic polyps.
  • Adenomas were correctly identified as neoplastic using targeted TAUS and MRI.

Conclusions:

  • A proposed checklist and flowchart for radiological work-up can aid gallbladder polyp evaluation.
  • This approach can help eliminate nonneoplastic polyps, improving diagnostic accuracy.
  • Enhanced diagnostic strategies can optimize treatment decisions for patients with gallbladder polyps.