The requirement of an independent verification of the monitor units (MU) or time calculated
to deliver the prescribed dose to a patient has been a mainstay of radiation oncology quality …

Purpose: To evaluate the performance of computed tomography (CT) systems of various
designs as a source of electron density (ρel) data for treatment planning of radiation therapy …

Background In radiotherapy treatment planning, intravenous administration of an iodine-
based contrast agent during computed tomography (CT) improves the accuracy of …

Comparison of Stereotactic Radiosurgery and Fractionated Stereotactic Radiotherapy of
Acoustic Neurinomas According to 3-D Tumor Page 1 567 Strahlenther Onkol 2009 · No. 9 © …

Purpose The purpose of this study was to develop and validate accurate methods for
determining iodine content and virtual noncontrast maps of physical parameters, such as …

Background and Purpose This study aimed to quantify the differences between pre-and post-
contrast agent (CA) CT for CyberKnife brain SRS plans. Materials and Methods Twenty-five …

BACKGROUND: A purpose of the study was to investigate the dosimetric impact of contrast
media on dose calculation using average 4D contrast-enhanced computed tomography (4D …

Background To investigate the effect of computed tomography (CT) contrast enhancement
(CE) on the 3D dose distributions of non-coplanar small field beams in the CyberKnife (CK) …

Purpose The aim of this study was to develop a deep learning (DL) method for generating
virtual noncontrast (VNC) computed tomography (CT) images from contrast‐enhanced (CE) …

Dose distribution was calculated and analyzed on the basis of 16‑bit computed tomography
(CT) images in order to investigate the effect of scanning conditions on CT for metal …