Results 11 to 20 of about 12,593,924 (215)

Intensity-modulated radiotherapy (IMRT) versus three-dimensional conformal radiotherapy (3DCRT) as treatment plans for head and neck tumours [PDF]

open access: yesJournal of the Pakistan Medical Association
Objectives: To compare intensity-modulated radiation therapy with three-dimensional conformal radiation therapy 3DCRTwith respect to dose coverage for target volume.
Abd Al-Taj Abd Ali Khaleel   +4 more
doaj   +2 more sources

An efficacy of protection the organs at risks comparison between the intensitymodulated radiotherapy therapy (IMRT) and the three-dimensional conformal radiotherapy (3DCRT) [PDF]

open access: yesJournal of the Pakistan Medical Association
Objective: To compare the efficiency of three-dimensional conformal radiotherapy and intensity-modulated radiation therapy techniques. Method: The cross-sectional study was conducted from February to August 2021 at Al-Amal National Hospital, Baghdad,
Abd Al-Taj Abd Ali Khaleel   +4 more
doaj   +2 more sources

A numerical conformal transformation method for harmonic mixed boundary value problems in polygonal domains [PDF]

open access: yes, 1972
A method is given for solving two dimensional harmonic mixed boundary value problems in simply-connected polygonal domains with re-entrant boundaries.
Whiteman, J R, Papamichael, N
core   +6 more sources

Quantification of geometric uncertainties in image guided radiotherapy [PDF]

open access: yes, 2010
The aim of this thesis is to determine if the geometric uncertainties that are introduced into the image guided radiotherapy (IGRT) process by Cone Beam CT (CBCT) based IGRT equipment are sufficiently small that they do not pose a significant risk of ...
Sykes, Jonathan
core   +6 more sources

Recurrence of nasopharyngeal carcinoma in the parotid region after parotid-gland-sparing radiotherapy

open access: yesJournal of the Formosan Medical Association, 2011
This study reported our experience of the clinical characteristics of periparotid recurrence of nasopharyngeal carcinoma (NPC) after parotid-gland-sparing radiotherapy. We retrospectively reviewed the charts of 296 patients with NPC who underwent parotid-
Deng-Shan Lin   +4 more
doaj   +1 more source

The choice of optimal radiotherapy technique for locally advanced maxillary carcinoma using 3d treatment planning system [PDF]

open access: yesVojnosanitetski Pregled, 2004
Aim. To compare the isodose distribution of three radiotherapy techniques for locally advanced maxillary sinus carcinoma and analyze the potential of three-dimensional (3D) conformal radiotherapy planning in order to determine the optimal technique for ...
Mileusnić Dušan
doaj   +1 more source

Tangential beam intensity modulated radiotherapy versus tangential beam three-dimensional conformal radiotherapy in carcinoma breast: A dosimetric comparison and clinical correlation [PDF]

open access: yesKorean Journal of Clinical Oncology, 2015
Purpose: This study evaluates the dose distribution of tangential beam intensity modulated radiotherapy (IMRT) compared to tangential beam three-dimensional conformal radiotherapy (3D-CRT) in carcinoma breast. Methods: Tangential beam IMRT and tangential
Deepti Arun Phansopkar   +5 more
doaj   +1 more source

Assessment of the Second Cancer Risk after Prostate Cancer Treatment: Comparison of 3D Conformal Radiotherapy and Intensity Modulated Radiotherapy [PDF]

open access: yesIranian Journal of Medical Physics, 2022
Introduction: Radiation-induced secondary primary cancer is one of the significant late side effects and an undesired outcome of radiotherapy that can be observed in long-term cancer survivors.
‪Ibrahim Hassan‬   +2 more
doaj   +1 more source

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

open access: yesJournal 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   +2 more
doaj   +3 more sources

Distinguishing post-treatment changes from recurrent disease in cholangiocarcinoma: a case report

open access: yesJournal of Medical Case Reports, 2008
Introduction Three-dimensional techniques for radiotherapy have expanded possibilities for partial volume liver radiotherapy. Characteristic, transient radiographic changes can occur in the absence of clinical radiation-induced liver disease after ...
Showalter Timothy N   +5 more
doaj   +1 more source

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