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Radiological Investigation I: X-ray and CT

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 Scan

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...

Radiological Investigation II: MRI and Ventilation Perfusion Scan

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
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Positron Emission Tomography

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.
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Computed Tomography

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...

Imaging Studies III: Computed Tomography

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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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Radiosynthesis, Quality Control, and Small Animal Positron Emission Tomography Imaging of 68Ga-Labelled Nano Molecules

Radiosynthesis, Quality Control, and Small Animal Positron Emission Tomography Imaging of ⁶⁸Ga-Labelled Nano Molecules

Published on: October 4, 2024

Canadian radiology: 2026 update.

Rakhshan Kamran¹, Bryan Buckley¹, Andreu F Costa²

¹Department of Medical Imaging, Temerty Faculty of Medicine, University of Toronto, Toronto, ON M5S1A8, Canada; Joint Department of Medical Imaging, University Medical Imaging Toronto, University Health Network, Toronto, ON M7A 2S4, Canada.

Diagnostic and Interventional Imaging

|May 13, 2026

Summary

Canadian radiology research is advancing across subspecialties, focusing on clinical relevance and systems-based practice. Key areas include oncologic imaging, cardiac MRI, interventional trials, and stroke intervention, demonstrating significant contributions and translation into practice.

Keywords:

Artificial intelligence Clinical practice Evidence-based practice Health policy Radiology

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Radiosynthesis, Quality Control, and Small Animal Positron Emission Tomography Imaging of 68Ga-Labelled Nano Molecules

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Published on: October 4, 2024

Guidelines and Experience Using Imaging Biomarker Explorer (IBEX) for Radiomics

Guidelines and Experience Using Imaging Biomarker Explorer (IBEX) for Radiomics

Published on: January 8, 2018

Area of Science:

Radiology
Medical Imaging
Clinical Research

Background:

Canadian radiology scholarship is technically sophisticated and clinically relevant.
There is an increasing focus on the systems influencing imaging delivery.
The field is committed to translating evidence into practice.

Purpose of the Study:

To provide an update on selected Canadian radiology research.
To highlight contributions across major subspecialties and domains of practice.

Main Methods:

Review of recent scholarship in Canadian radiology.
Focus on advancements in abdominal, cardiothoracic, interventional, musculoskeletal, and neuroradiology.

Main Results:

Abdominal radiology: advancements in oncologic imaging, hypersensitivity management.
Cardiothoracic radiology: contributions in cardiac MRI, AI, low-dose imaging.
Interventional radiology: international influence in trials, device development.
Musculoskeletal radiology: focus on fracture assessment, sports injury.
Neuroradiology: leadership in stroke imaging, critical care prognostication, subdural hematoma treatment.

Conclusions:

Canadian radiology research is characterized by methodological rigor and clinical relevance.
Significant contributions are being made across diverse subspecialties.
The field demonstrates a strong commitment to evidence translation into practice.