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Related Concept Videos

Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and the...
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...
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 II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
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 for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...

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Radiation Planning Assistant - A Web-based Tool to Support High-quality Radiotherapy in Clinics with Limited Resources
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Health technology assessment for radiologists: basic principles and evaluation framework.

Morgan E Lim1, Daria O'Reilly, Jean-Eric Tarride

  • 1Programs for Assessment of Technology in Health Research Institute, St Joseph's Healthcare Hamilton, Hamilton, Ontario, Canada. limme@mcmaster.ca

Journal of the American College of Radiology : JACR
|April 28, 2009
PubMed
Summary
This summary is machine-generated.

This guide introduces health technology assessment (HTA) for radiologists, outlining an 11-step framework for conducting HTA to optimize health resource allocation within budget constraints.

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Area of Science:

  • Health Economics
  • Medical Imaging
  • Health Services Research

Background:

  • Healthcare decision-making requires efficient resource allocation to maximize patient health outcomes under budget limitations.
  • Health Technology Assessment (HTA) provides a structured approach to navigating complex resource allocation decisions in healthcare.

Purpose of the Study:

  • To introduce the fundamental aspects of Health Technology Assessment (HTA).
  • To serve as a guide for radiologists on conducting HTA, particularly in the field of diagnostics.

Main Methods:

  • Defining HTA and its connection to diagnostic technologies.
  • Presenting a basic 11-step framework for HTA conduct, from problem identification to dissemination.
  • Illustrating HTA principles with a real-world diagnostic example.

Main Results:

  • The paper defines HTA and its relevance to diagnostic procedures.
  • An 11-step framework for conducting HTA is detailed.
  • A practical case study of HTA in diagnostics is provided, alongside identified challenges.

Conclusions:

  • HTA offers a systematic methodology for evaluating health technologies.
  • Radiologists can utilize the outlined framework to conduct effective HTAs for diagnostic tools.
  • Understanding HTA is crucial for informed health resource allocation in medical imaging.