Tanzhas Shayakhmetov
Medical Physics Department, UMIT International Oncological Center of Tomotherapy: Astana, KazakhstanPublications
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Research Article
Evaluation of positioning accuracy and determination of the optimal margin for the planning target volume during radiation therapy on the Tomotherapy HD system
Author(s): Tanzhas Shayakhmetov*, Venera Bissengalyieva, Yernar Orda, Saniya Baiturova, Daulet Berikbol, Rauan Otynshiyev, Aigul Brimova, Bolat Saktashev, Ainur Baissalbayeva and Ainur Samigatova
Relevance of research: The accurate positioning of patients during radiotherapy plays a crucial role in ensuring effective tumor control while minimizing the risk of overdosing normal tissues. The result of errors during patient’s setup may be target for underexposure of the cancer or overexposure of normal tissues. Therefore, Planning Target Volume (PTV) contains Clinical Target Volume (CTV) plus margin, which considers geometrical uncertainty due to organ motion, breathing and changing of patient position. Purpose of study: The purpose of this work is to calculate the margins using the van Herk formula and compare them with the values used in the International Oncological Center of Tomotherapy "UMIT". Methods: There were 212 patients in this investigation: 47 patients with brain tumors, 52 patients with pelvic tumors, 50 patients with breast cancer, 34 patients with .. Read More»
Editors List
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Prof. Elhadi Miskeen
Obstetrics and Gynaecology Faculty of Medicine, University of Bisha, Saudi Arabia
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Ahmed Hussien Alshewered
University of Basrah College of Medicine, Iraq
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Sudhakar Tummala
Department of Electronics and Communication Engineering SRM University – AP, Andhra Pradesh
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Alphonse Laya
Supervisor of Biochemistry Lab and PhD. students of Faculty of Science, Department of Chemistry and Department of Chemis
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Fava Maria Giovanna
Google Scholar citation report
Citations : 518
Onkologia i Radioterapia received 518 citations as per Google Scholar report
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