Zobrazeno 1 - 10
of 15
pro vyhledávání: '"VK Sathiya Narayanan"'
Publikováno v:
Physical and Engineering Sciences in Medicine. 44:1321-1329
Quantitative retrospective analysis of the normal lung irradiation due to the variations of the ITV volume based on the techniques used for upper lobe (UL), mid lobe (ML), and lower lobe (LL) lung tumours when used with 2-view, 1-view, 0-view based L
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5d2d95dc80271f73bc661fa788ac7a4
https://doi.org/10.1007/s13246-021-01064-5
https://doi.org/10.1007/s13246-021-01064-5
Publikováno v:
Reports of Practical Oncology and Radiotherapy
BACKGROUND: The advances in image guidance and capability of highly conformal dose deliveries made possible the use of helical tomotherapy (HT) for lung cancer treatment. To determine the effect of respiratory motion on the delivered dose in HT, film
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebf77d21166c7b2ddbdb14a8f0f77f31
http://europepmc.org/articles/PMC8281919
http://europepmc.org/articles/PMC8281919
Autor:
Sumit Basu, Ranganathan Vaitheeswaran, Janhavi R Bhangle, Vikram Maiya, VK Sathiya Narayanan, Bhooshan Zade
Publikováno v:
Journal of Applied Clinical Medical Physics
In static intensity‐modulated radiation therapy (IMRT), the fundamental factors that determine the quality of a plan are the number of beams and their angles. The objective of this study is to investigate the effect of beam angle optimization (BAO)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::708092b9d9be9d2844d8caf637d6a06a
https://doi.org/10.1120/jacmp.v13i4.3912
https://doi.org/10.1120/jacmp.v13i4.3912
Autor:
Amit Nirhali, Ranganathan Vaitheeswaran, VK Sathiya Narayanan, Vikram Maiya, Namitha K Kumar, Janhavi R Bhangle, Sumit Basu
Publikováno v:
Medical Physics. 37:6443-6452
Purpose: This article aims to introduce a novel algorithm for fast beam angle selection in intensity modulated radiotherapy(IMRT). Methods: The algorithm models the optimization problem as a beam angle ranking problem and chooses suitable beam angles
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d75bcdff870d0b5eba12f786e7547dbf
https://doi.org/10.1118/1.3517866
https://doi.org/10.1118/1.3517866
Autor:
Shrikant Deshpande, Nirmal Babu, Sumeet Basu, Kashyapi Balachandra, K. Swamy, Kamlesh Kumar Gupta, Vikram Maiya, Ashish Atre, CB Koppiker, Rimpa Basu Achari, VK Sathiya Narayanan, Surendra Pawar, Janhavi R Bhangle
Publikováno v:
Journal of Cancer Research and Therapeutics, Vol 5, Iss 4, Pp 277-283 (2009)
Background : Increasing incidence and significant stage migration from distant metastases to a localized disease, due to screening application of PSA, is taking place in carcinoma prostate. Also, role of radiotherapy is increasing in carcinoma prosta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6dd47c450d1f3d9469e1450f4175011c
http://www.cancerjournal.net/article.asp?issn=0973-1482
http://www.cancerjournal.net/article.asp?issn=0973-1482
Publikováno v:
Journal of Medical Physics / Association of Medical Physicists of India
For step-and-shoot type delivery of intensity-modulated radiation therapy (IMRT), beam stability characteristics during the first few monitor units need to be investigated to ensure the planned dose delivery. This paper presents the study done for Si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b00e8a64cd97e71f46b32631653fdc27
http://europepmc.org/articles/PMC3000500
http://europepmc.org/articles/PMC3000500
Autor:
Janhavi R Bhangle, Sumit Basu, Vaitheeswaran Ranganathan, Kamlesh Kumar Gupta, Vikram Maiya, Rimpa Basu Achari, VK Sathiya Narayanan Vatyam
Publikováno v:
Medical Physics. 36:2558-2559
Purpose: We presented a 3‐step methodology‐cum‐algorithm that can perform a fast optimization of beam weights and shapes in aperture‐based IMRT.Method and Materials: In the presented work, we propose a “3‐step methodology‐cum‐algorith
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f58f1568a20610733e4cef36b6cb619b
https://doi.org/10.1118/1.3181641
https://doi.org/10.1118/1.3181641
Publikováno v:
Journal of Medical Physics / Association of Medical Physicists of India
Linear accelerators from the same vendor in a radiation therapy center are usually beam-matched following Vendor's acceptance criteria. This protocol is limited to check the difference at particular points on the ionization curve for depth dose or be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7583dd763ba040c876316d5e42ed27a8
https://doi.org/10.4103/0971-6203.83497
https://doi.org/10.4103/0971-6203.83497
Autor:
Janhavi R Bhangle, Amit Nirhali, Sumit Basu, Ranganathan Vaitheeswaran, Namita Kumar, Vikram Maiya, VK Sathiya Narayanan
Publikováno v:
Journal of Medical Physics / Association of Medical Physicists of India
The study aims to introduce a hybrid optimization algorithm for anatomy-based intensity modulated radiotherapy (AB-IMRT). Our proposal is that by integrating an exact optimization algorithm with a heuristic optimization algorithm, the advantages of b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::90bb29758c69227730be733508aca426
https://doi.org/10.4103/0971-6203.79693
https://doi.org/10.4103/0971-6203.79693
Autor:
Jolly Joseph, Namitha Krishnakumar, Ranganathan Vaitheeswaran, VK Sathiya Narayanan, Janhavi R Bhangle, Amit Nirhali
Publikováno v:
Medical Physics. 37:3256-3256
Purpose: To dosimetrically evaluate beam matching procedure of two similar accelerators using gamma index. Method and Materials: The second accelerator was beam matched with first one using Vendor's acceptance test (ATP) protocol. Depth dose and inli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::679be667cb81c26f7ee32da6d7fe7622
https://doi.org/10.1118/1.3468701
https://doi.org/10.1118/1.3468701