Related Experiment Video
Updated: Feb 9, 2026

Author Spotlight: Improving Radiation Therapy Access with Radiation Planning Assistant
Published on: October 6, 2023
Clinical Applications of PET-Computed Tomography in Planning Radiotherapy: General Principles and an Overview
Gregory J Kubicek1, Dwight E Heron
1Department of Radiation Oncology & Otolaryngology, University of Pittsburgh Cancer Institute, Pittsburgh, PA, USA.
Abstract:
PET scans are becoming increasingly used in oncology and especially radiation oncology. While the potential and indicated uses continue to grow, so do the data and evidence to support the growing use. This article summarizes the physics behind PET-computed tomographic (CT) scans, how PET scans fit into the treatment paradigms for patients with cancer including staging, assessment of response, and identifying the prognostic features, with a special emphasis on the role of PET-CT scans in radiation therapy planning.
More Related Videos
Related Concept Videos
Imaging Studies III: Computed Tomography
Computed Tomography
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...
Pharmacodynamics: Overview and Principles
Most drugs' effects result from their interactions with drug receptors or targets within the body. These interactions trigger specific responses at the cellular or systemic level. Drug receptors can be found on the surfaces of cells or...
Bernoulli's Principle: Applications
Entrainment devices use a high fluid speed to create low pressures and, thus, entrain one fluid into another. Some examples of these devices are given below:
Design Example: Application of Archimedes' Principle
The volume of seawater displaced by the block is determined by first calculating the block's weight. This is done by multiplying the...
Clinical Trials: Overview

