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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...

Imaging Studies I: CT and MRI

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...

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...

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 II: Positron Emission Tomography and Scintigraphy

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 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...

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Related Experiment Video

Updated: May 23, 2026

Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition

Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition

Published on: March 11, 2021

[Current requirements for image management in radiotherapy].

V Steil¹, F Röhner, F Schneider

¹Klinik für Strahlentherapie und Radioonkologie, Universitätsmedizin Mannheim, Universität Heidelberg, Mannheim, Deutschland. Volker.Steil@umm.de

Strahlentherapie Und Onkologie : Organ Der Deutschen Rontgengesellschaft ... [Et Al]

|March 30, 2012

Summary

Advanced radiotherapy requires robust digital image management. Centralized archiving within a DICOM-RT environment is preferable for linking images to patient treatment pathways, ensuring data integrity and accessibility.

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Related Experiment Videos

Last Updated: May 23, 2026

Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition

Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition

Published on: March 11, 2021

Radiation Planning Assistant - A Streamlined, Fully Automated Radiotherapy Treatment Planning System

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Published on: April 11, 2018

Radiation Planning Assistant - A Web-based Tool to Support High-quality Radiotherapy in Clinics with Limited Resources

Radiation Planning Assistant - A Web-based Tool to Support High-quality Radiotherapy in Clinics with Limited Resources

Published on: October 6, 2023

Area of Science:

Radiotherapy physics and technology
Medical imaging informatics
Radiation oncology workflow management

Context:

Increasing complexity of radiotherapy techniques (e.g., dynamic/rotational) necessitates advanced digital image management and archiving.
Growing volumes of image data in radiation oncology departments present significant infrastructural and administrative challenges.
Current image management strategies vary, impacting data accessibility and long-term preservation.

Purpose:

To discuss the current requirements for image management and archiving in modern radiotherapy.
To present and compare different image administration strategies, including application-centered and centralized approaches.
To evaluate the infrastructural needs associated with escalating image data generation.

Summary:

Fundamentals of image administration, storage, and archiving (DICOM Standard, radiotherapy-specific issues) are presented within the patient treatment pathway.
Strategies range from application-centered archiving to an integrated approach using a DICOM-RT Picture Archiving and Communication System (PACS) managed by a Radiation Oncology Information System (ROCIS).
Infrastructural demands are analyzed based on departmental image data volume.

Impact:

Centralized image management and archiving, linked via a standardized DICOM(-RT) environment, is recommended for better data integrity and traceability.
This approach facilitates linking images to patients and treatment steps, offering a more migration-safe and robust solution compared to application-centered methods.
Despite potential visualization challenges, centralized archiving enhances data security and supports comprehensive patient care pathways.