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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...

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.
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 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
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...

X-ray Imaging

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with X-rays, and by 1900, X-ray was widely...

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...

Imaging Studies for Cardiovascular System III: X-Ray

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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Updated: Jul 10, 2026

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

Evidence-based medicine and radiology.

A N Chalazonitis¹, G Tsimitselis, J Tzovara

¹Dpt of Radiology, Hippocration Athens General Hospital, Greece. red-rad@ath.forthnet.gr

JBR-BTR : Organe De La Societe Royale Belge De Radiologie (SRBR) = Orgaan Van De Koninklijke Belgische Vereniging Voor Radiologie (KBVR)

|October 31, 2007

Summary

This summary is machine-generated.

Evidence-Based Medicine (EBM) helps doctors use research to answer clinical questions. This guide introduces radiologists to EBM principles for better patient care decisions.

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Last Updated: Jul 10, 2026

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:

Medical Research Methodology
Clinical Decision Support

Background:

Physician-epidemiologists developed literature appraisal methods in the 1990s to aid clinicians.
Evidence-Based Medicine (EBM) integrates research, clinical expertise, and patient values for informed decision-making.
EBM provides valuable evidence to supplement clinical judgment, though not all questions have direct answers.

Purpose of the Study:

To familiarize radiologists without formal research training with Evidence-Based Medicine (EBM).
To guide radiologists in applying EBM principles to solve practice-related problems.
To enable evidence-based decision-making in radiology.

Main Methods:

The paper outlines the five core steps of the EBM process.
These steps include formulating answerable questions, accessing literature, appraising evidence, applying findings, and evaluating performance.
The methodology focuses on practical application for radiologists.

Main Results:

Radiologists can utilize EBM to enhance their clinical practice.
Familiarity with EBM empowers radiologists to find evidence-based solutions.
The EBM framework supports improved patient care through informed decisions.

Conclusions:

EBM is a crucial tool for modern medical practice, including radiology.
Radiologists can benefit from understanding and implementing EBM principles.
This paper serves as an introductory resource for radiologists entering the EBM field.