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Related Concept Videos

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

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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.
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Imaging Studies IV: Magnetic Resonance Imaging01:27

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Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
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Imaging Studies III: Computed Tomography01:27

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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...
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Gallbladder01:17

Gallbladder

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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.
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Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

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Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
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Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

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Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
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Related Experiment Video

Updated: Oct 29, 2025

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Imaging of gallbladder metastasis.

Giulio Cocco1, Andrea Delli Pizzi2, Raffaella Basilico2

  • 1Unit of Ultrasound in Internal Medicine, Department of Medicine and Science of Aging, "G.D'Annunzio" University, Chiety, Italy. Cocco.giulio@gmail.com.

Insights Into Imaging
|July 14, 2021
PubMed
Summary

Gallbladder metastasis (GM) is rare and often diagnosed late. Reviewing imaging features of GM from melanoma, breast, and other cancers can improve early detection and diagnosis.

Keywords:
GallbladderMagnetic resonance imagingNeoplasm metastasisTomography (X-ray computed)Ultrasound imaging

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Area of Science:

  • Oncology
  • Radiology
  • Gastroenterology

Background:

  • Gallbladder metastasis (GM) is an uncommon clinical finding.
  • Literature on the imaging diagnosis of GM is limited.
  • Melanoma is the most frequent primary source of GM.

Purpose of the Study:

  • To review the literature on gallbladder metastasis.
  • To help interpret clinical findings and imaging features of GM.
  • To improve early diagnosis and avoid misdiagnosis of GM.

Main Methods:

  • Comprehensive literature review.
  • Analysis of clinical presentations and imaging findings (ultrasound, CT, MRI).
  • Discussion of diagnostic challenges and strategies.

Main Results:

  • Melanoma accounts for 55.6% of GM cases, followed by breast and hepatocellular carcinoma (13.6% each).
  • Common presentation includes abdominal pain due to cholecystitis.
  • Diagnosis is often delayed (>90% of cases) and associated with advanced malignancy.

Conclusions:

  • Early diagnosis of GM requires careful evaluation of gallbladder imaging findings.
  • Combining multiple imaging modalities aids diagnosis.
  • Increased awareness of GM clinical and imaging features can improve patient outcomes.