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Related Concept Videos

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
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...
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...
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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...

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Related Experiment Video

Updated: Jun 15, 2026

Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging
07:12

Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging

Published on: August 17, 2022

Fusion imaging for parathyroid localization in primary hyperparathyroidism.

Daniel S Levine1, Sam M Wiseman

  • 1Department of Nuclear Medicine, St. Paul's Hospital & University of British Columbia, 1081 Burrard Street, Vancouver, BC, Canada. dlevine@interchange.ubc.ca

Expert Review of Anticancer Therapy
|March 11, 2010
PubMed
Summary

Primary hyperparathyroidism diagnosis is improving with advanced imaging. Fusing functional scans with computed tomography aids in locating parathyroid adenomas, especially in complex surgical cases.

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Area of Science:

  • Endocrinology
  • Nuclear Medicine
  • Radiology

Background:

  • Primary hyperparathyroidism is commonly caused by parathyroid adenomas.
  • Surgical intervention offers a high cure rate for this condition.
  • Preoperative localization of parathyroid adenomas is crucial for surgical success.

Purpose of the Study:

  • To discuss the role of functional imaging fused with computed tomography in parathyroid adenoma localization.
  • To highlight the benefits of this imaging modality for ectopic adenomas and reoperative surgery.
  • To review fusion techniques and evidence for their efficacy.

Main Methods:

  • Utilizing Tc-99m-based radiopharmaceuticals for functional imaging.
  • Integrating functional imaging data with anatomical details from computed tomography (CT).
  • Discussing software- and hardware-based fusion techniques and PET/CT.

Main Results:

  • Fusion imaging provides a powerful clinical tool for parathyroid adenoma localization.
  • This technique is particularly beneficial for ectopic adenomas and prior failed surgeries.
  • Evidence supports the efficacy of fused imaging modalities.

Conclusions:

  • Advanced imaging techniques, particularly SPECT/CT, significantly improve preoperative localization of parathyroid adenomas.
  • Fusion imaging enhances surgical planning and outcomes for primary hyperparathyroidism.
  • PET/CT represents an allied technique with potential applications in this field.