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Related Concept Videos

Positron Emission Tomography01:29

Positron Emission Tomography

Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body being...
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

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.
Fundamental Principles of PET
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...
Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

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...
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...

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Related Experiment Video

Updated: May 11, 2026

High Resolution 3D Imaging of the Human Pancreas Neuro-insular Network
09:54

High Resolution 3D Imaging of the Human Pancreas Neuro-insular Network

Published on: January 29, 2018

Pancreatic imaging.

J A Van Dyke, R J Stanley, L L Berland

    Annals of Internal Medicine
    |February 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Computed tomography (CT) is the preferred initial imaging method for suspected pancreatic disorders, offering detailed anatomical insights. Other methods like ultrasound and angiography are valuable but often more invasive or technically challenging for primary evaluation.

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    Stabilized Longitudinal In Vivo Cellular-Level Visualization of the Pancreas in a Murine Model with a Pancreatic Intravital Imaging Window
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    Stabilized Window for Intravital Imaging of the Murine Pancreas
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    Stabilized Window for Intravital Imaging of the Murine Pancreas

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    Related Experiment Videos

    Last Updated: May 11, 2026

    High Resolution 3D Imaging of the Human Pancreas Neuro-insular Network
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    High Resolution 3D Imaging of the Human Pancreas Neuro-insular Network

    Published on: January 29, 2018

    Stabilized Longitudinal In Vivo Cellular-Level Visualization of the Pancreas in a Murine Model with a Pancreatic Intravital Imaging Window
    06:52

    Stabilized Longitudinal In Vivo Cellular-Level Visualization of the Pancreas in a Murine Model with a Pancreatic Intravital Imaging Window

    Published on: May 6, 2021

    Stabilized Window for Intravital Imaging of the Murine Pancreas
    07:12

    Stabilized Window for Intravital Imaging of the Murine Pancreas

    Published on: October 6, 2023

    Area of Science:

    • Gastroenterology and Hepatology
    • Diagnostic Imaging
    • Pancreatic Diseases

    Background:

    • Accurate diagnosis of pancreatic disorders is crucial for effective patient management.
    • A variety of imaging and interventional techniques are available for pancreatic evaluation.
    • Understanding the strengths and limitations of each modality is key.

    Purpose of the Study:

    • To review current methods for evaluating the pancreas.
    • To delineate the indications and utility of each diagnostic technique.
    • To guide the appropriate selection of tests for suspected pancreatic conditions.

    Main Methods:

    • Review of established diagnostic modalities for pancreatic assessment.
    • Discussion of computed tomography (CT), ultrasound, angiography, endoscopic retrograde cholangiopancreatography (ERCP), and percutaneous fine-needle aspiration (PFNA).
    • Analysis of technical adequacy, invasiveness, and diagnostic yield of each method.

    Main Results:

    • Computed tomography (CT) is recommended for initial evaluation due to its technical adequacy and detailed anatomical information.
    • Ultrasound offers detailed views but is frequently limited by technical factors.
    • Angiography, ERCP, and PFNA provide specific diagnostic data but are more invasive and operator-dependent, making them secondary tests.

    Conclusions:

    • No single diagnostic test is universally sufficient for all pancreatic evaluations.
    • CT is the optimal initial imaging choice for suspected pancreatic disorders.
    • Appropriate utilization of all available methods requires a thorough understanding of their individual capabilities and limitations.