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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.
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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.
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Positron Emission Tomography

Positron Emission Tomography

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Radiological Investigation III: Pulmonary Angiogram and PET Scan

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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.
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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...

X-ray Imaging

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Related Experiment Video

Updated: Jul 7, 2026

Multianimal Magnetic Resonance Imaging for Tumor Measurements in Pancreatic Cancer Mouse Models

Multianimal Magnetic Resonance Imaging for Tumor Measurements in Pancreatic Cancer Mouse Models

Published on: February 3, 2026

Cancer imaging: is it cost-effective?

K A Miles¹

¹Division of Clinical and Laboratory Sciences, Brighton and Sussex Medical School, University of Sussex, Falmer, Brighton, UK. k.a.miles@bsms.ac.uk

Cancer Imaging : the Official Publication of the International Cancer Imaging Society

|February 6, 2008

Summary

Advanced cancer imaging, including computed tomography and magnetic resonance imaging, is cost-effective for managing specific cancers. More research is needed to define appropriate health technology assessment methods for diagnostic tests.

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Area of Science:

Medical Imaging
Health Economics
Oncology

Background:

Rising cancer prevalence necessitates demonstrating the cost-effectiveness of advanced cancer imaging techniques.
The direct impact of imaging on patient survival is often small, making direct measurement challenging.
Decision-tree analysis is increasingly employed to model imaging's impact on survival for cost-effectiveness evaluations.

Purpose of the Study:

To evaluate the cost-effectiveness of advanced cancer imaging techniques.
To compare imaging strategies with non-imaging approaches in cancer management.
To identify areas where evidence for cost-effectiveness is stronger and where further research is needed.

Main Methods:

Utilizing decision-tree analysis to model the impact of imaging on patient survival.
Reviewing existing cost-effectiveness studies on computed tomography, magnetic resonance imaging, and positron emission tomography.
Analyzing the evidence base for advanced cancer imaging in diagnosis, staging, therapy monitoring, and screening.

Main Results:

Computed tomography, magnetic resonance imaging, and positron emission tomography strategies show cost-effectiveness for managing lung, prostate, and lymphoma cancers.
Stronger evidence supports the cost-effectiveness of advanced imaging for diagnosis, staging, and monitoring therapy compared to screening.
Cost-effectiveness findings are not universally transferable across different countries or cancer types.

Conclusions:

Advanced cancer imaging techniques are cost-effective in specific clinical scenarios.
Further research is required to establish cost-effectiveness across diverse populations and cancer types.
Cancer imaging specialists must develop tailored health technology assessment methods for diagnostic imaging.