Alpha decay is a type of radioactive decay in which an unstable atomic nucleus emits an alpha particle, consisting of two protons and two neutrons. This process results in the transformation of the original nucleus into a new element with…
This document provides an overview of Volumetric Modulated Arc Therapy (VMAT), a sophisticated radiotherapy technique that enhances the precision and effectiveness of cancer treatment. VMAT allows for the delivery of radiation in a highly conformal manner, targeting tumors while minimizing…
Abstract: The Standardized Uptake Value (SUV) is a crucial metric in Positron Emission Tomography (PET) imaging, commonly used to assess metabolic activity in tissues. This document explores the various factors that can influence SUV values in PET CT scans, including…
Photon Coincidence Mechanism in PET CT This document explores the photon coincidence mechanism utilized in Positron Emission Tomography (PET) combined with Computed Tomography (CT). The integration of these imaging modalities has revolutionized diagnostic imaging by providing both functional and anatomical…
CT Photon Counting: Basic Physics This document provides an overview of the fundamental physics underlying photon counting in computed tomography (CT). Photon counting technology represents a significant advancement in imaging techniques, offering improved sensitivity and resolution compared to traditional energy-integrating…
Understanding X-Ray Grid Artifacts
Contrast Resolution in CT
Targeted Radionuclide Therapy.
Slice Thickness and Partial Volume in CT
Mammography is a specialized imaging technique used for the early detection of breast cancer. The effectiveness of mammography largely depends on the choice of target anode and filter combinations, which influence the quality of the X-ray beam and the resulting image contrast. This…