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Related Concept Videos

Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
Gallbladder01:17

Gallbladder

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 the common...
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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 solid...

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Related Experiment Videos

Migrating intrathoracic gallstone: imaging findings.

Laura Martin-Cuesta1, Enrique Marco de Lucas, Raul Pellon

  • 1Department of Radiology, Marques de Valdecilla University Hospital, Santander, Spain. lamacue@yahoo.com

Journal of Thoracic Imaging
|February 11, 2009
PubMed
Summary
This summary is machine-generated.

A rare case of a mediastinal gallstone caused by esophageal perforation during endoscopic gallstone removal is presented. This finding, characterized by pneumomediastinum, is the first documented instance of its kind on imaging.

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Area of Science:

  • Gastroenterology
  • Radiology
  • Thoracic Surgery

Background:

  • Bouveret syndrome, a rare complication of gallstone disease, involves gastric outlet obstruction.
  • Endoscopic retrograde cholangiopancreatography (ERCP) is a common procedure for gallstone management.
  • Esophageal perforation is a serious, albeit uncommon, complication of upper gastrointestinal endoscopy.

Observation:

  • A 76-year-old male presented with a round gallstone in the central mediastinum and pneumomediastinum.
  • Imaging studies, including chest radiography and computed tomography, confirmed the mediastinal gallstone and associated air in the mediastinum.
  • The patient had a history of a prior attempted endoscopic gallstone retrieval for Bouveret syndrome.

Findings:

  • The mediastinal gallstone was a direct consequence of esophageal perforation during a previous complicated endoscopic lithotomy.
  • This represents the first reported case describing the imaging characteristics of a mediastinal gallstone secondary to esophageal perforation.
  • Pneumomediastinum served as a key indicator of the esophageal breach.

Implications:

  • Highlights a rare but potentially life-threatening complication of endoscopic gallstone removal.
  • Emphasizes the importance of advanced imaging in diagnosing unusual presentations of gastrointestinal complications.
  • Underscores the need for careful technique and awareness of perforation risks during endoscopic procedures involving gallstones.