Results 21 to 30 of about 39,150 (184)

Dose-volume histogram constrains for small intestine in postoperative transcutaneous radiotherapy of endometrial carcinoma: comparison between conventional and conformal techniques

Journal of Health Sciences, 2013
Introduction: The aim of this study was to determine the dose-volume histogram (DVH) constrains of conventional and conformal transcutaneous radiotherapy for small intestine and perform their comparison.
Anela Ramić, Dženita Ljuca, Goran Marosević   +2 more
doaj   +3 more sources

Effect of replanning boost radiotherapy plan in locally advanced unresectable middle to lower thoracic esophageal cancer. [PDF]

Sci Rep
Thoracic bulky esophageal cancer shrinks during radiotherapy, changing the location and shape of the surrounding heart and lungs. The current study aimed to explore how replanning by volumetric-modulated arc radiotherapy (VMAT) and three-dimensional ...
Inoo H, Sakanaka K, Mizowaki T.
europepmc   +2 more sources

Dosimetric comparison between conventional and conformal radiotherapy for carcinoma cervix: Are we treating the right volumes?

South Asian Journal of Cancer, 2013
Background and Purpose: Conventional portals, based on bony anatomy, for external beam radiotherapy for cervical cancer have been repeatedly demonstrated as inadequate.
Jyotirup Goswami, Niladri B Patra, Biplab Sarkar, Ayan Basu, Santanu Pal   +4 more
doaj   +1 more source

Dose agreement analysis of treatment planning system-calculated doses and markus chamber-measured doses in the near-surface region for breast cancer patients' conformal treatment plans

Journal of Medical Physics, 2022
Background: Surface/skin dose measurement is one of the most challenging tasks for clinical dosimetry in radiotherapy and comparison with almost all the commercially available treatment planning systems (TPSs) brings a significant variation with the ...
Garima Gaur, Raja Paramjeet Singh Banipal, Pardeep Garg, Om Prakash Gurjar, Gurpreet Kaur, Sheetal Sachdeva, Romikant Grover, Manraj Singh Kang, Vinod Kumar Dangwal   +8 more
doaj   +1 more source

UNCONVENTIONAL FRACTIONATION RADIOTHERAPY REGIMENS IN TREATMENT OF INOPERABLE LUNG CANCER

Сибирский онкологический журнал, 2019
The purpose of the study was to compare the efficacy and toxicity of hypofractionated versus hyperfractionated radiotherapy in patients with inoperable lung cancer.Material and Methods.
D. V. Gogolin, I. A. Gulidov, K. E. Medvedeva, Y. A. Ragulin, Y. S. Mardinsky, I. N. Ivanova, L. V. Kursova, I. I. Kotuhov, A. Y. Buksha   +8 more
doaj   +1 more source

Different meaning of the mean heart dose between 3D-CRT and IMRT for breast cancer radiotherapy

Frontiers in Oncology, 2023
BackgroundPrevious studies in 2D and in 3D conformal radiotherapy concludes that the maximal heart distance and the mean heart dose (MHD) are considered predictive of late cardiac toxicities.
Jessica Prunaretty, Jessica Prunaretty, Celine Bourgier, Celine Bourgier, Celine Bourgier, Sophie Gourgou, Claire Lemanski, Claire Lemanski, David Azria, David Azria, David Azria, Pascal Fenoglietto, Pascal Fenoglietto   +12 more
doaj   +1 more source

Assessment of Treatment Plan Quality between Flattening Filter and Flattening Filter Free Photon Beam for Carcinoma of the Esophagus with IMRT Technique [PDF]

Journal of Biomedical Physics and Engineering, 2023
Background: As compared to the flattened photon beam, removing the flattening filter (FF) from the head of a gantry decreases the average energy of the photon beam and increases the dose rate, leading to an impact on the quality of treatment plans ...
Dinesh Kumar Saroj, Suresh Yadav, Neetu Paliwal, Subhas Haldar, Amol Jagtap, Arvind Kumar   +5 more
doaj   +1 more source

Efficacy of external beam radiotherapy and targeted therapy with vandenanib in patients with inoperable and progressive medullary thyroid cancer

Опухоли головы и шеи, 2018
The study objective is to evaluate modern-era radiotherapy (external beam radiotherapy, EBRT) and target therapy (TT) outcomes for advanced medullary thyroid cancer (MTC).Materials and methods.
A. D. Kaprin, S. A. Ivanov, F. E. Sevryukov, I. S. Pimonova, P. A. Isaev, N. V. Severskaya, A. A. Ilyin, V. V. Polkin, D. Yu. Siomin, S. V. Vasilkov, D. N. Derbugov, Yu. A. Panaseikin, V. S. Medvedev   +12 more
doaj   +1 more source

Dosimetric Evaluation of Commercially Available Flat vs. Self-Produced 3D-Conformal Silicone Boluses for the Head and Neck Region

Frontiers in Oncology, 2022
BackgroundBoluses are routinely used in radiotherapy to modify surface doses. Nevertheless, considerable dose discrepancies may occur in some cases due to fit inaccuracy of commercially available standard flat boluses.
Stephan Pollmann, André Toussaint, Michael Flentje, Sonja Wegener, Victor Lewitzki   +4 more
doaj   +1 more source

The transition from conformal to advanced radiotherapy techniques in the treatment planning of gynecological cancer patients [PDF]

Vojnosanitetski Pregled, 2022
Background/Aim. The transition from standard to highly conformal radiation therapy techniques requires the implementation of complex advanced dosimetry.
Petrović Borislava, Ivanov Olivera, Marjanović Milana, Ličina Jelena, Gencel Ivan, Golubovac Nemanja   +5 more
doaj   +1 more source