Results 1 to 10 of about 4,772 (69)

Clinical evaluation of deep learning and atlas‐based auto‐segmentation for critical organs at risk in radiation therapy

Journal of Medical Radiation Sciences, 2023
Introduction Contouring organs at risk (OARs) is a time‐intensive task that is a critical part of radiation therapy. Atlas‐based automatic segmentation has shown some success at reducing this time burden on practitioners; however, this method often ...
Eddie Gibbons, Matthew Hoffmann, Justin Westhuyzen, Andrew Hodgson, Brendan Chick, Andrew Last   +5 more
doaj   +2 more sources

Assessment of feasibility of cochlear sparing optimized radiotherapy in nasopharyngeal squamous cell carcinoma using high conformal radiation technique

Asian Journal of Medical Sciences, 2023
Background: One of the most prevalent head-and-neck tumors in Southeast Asia is nasopharyngeal carcinoma (NPC). Each year, NPC causes 84,400 new cases and 51,600 fatalities worldwide.
Nikhila Ponnachiparambil Chandrabose , Grace Mercy Priscilla Balu , Sivagnanam Balaji , Jeeva Sivasami , Narmatha Mariyappan , Satheesh Kumar Anbazhagan   +5 more
doaj   +1 more source

Intensity-Modulated Radiation Therapy (IMRT) Versus Rapidarc in the Treatment of Carcinoma Left Breast – Finding the Optimal Radiation Therapy Technique [PDF]

Iranian Journal of Medical Physics, 2023
Introduction: This study aimed to evaluate the dosimetric variations and treatment efficacy between intensity-modulated radiotherapy (IMRT) and double-arc RapidArc for irradiation of carcinoma left breast, focusing on adequate target coverage, sparing of
Preety Negi, Raja Sellapandiyan, Himanshu Srivastava, Harnoor Pruthi, Gokul Anandhan, Priyanka Singh   +5 more
doaj   +1 more source

Langerhans Cell Histiocytosis in Children: Literature Review

Вопросы современной педиатрии, 2023
Relevant information on Langerhans cell histiocytosis development and course in children is presented. The current concepts of disease pathogenesis, principles of its severity evaluation, patients stratification into risk groups, as well as of clinical ...
Evgeniy A. Burtsev, Gleb O. Bronin
doaj   +1 more source

Evaluation of Volumetric Doses of Organs at Risk in Carcinoma Cervix Patients with HDR Intracavitary Brachytherapy and Comparison of CT-based and Conventional Plans [PDF]

Journal of Biomedical Physics and Engineering, 2019
Background: Brachytherapy treatment planning in cervix carcinoma patients using two dimensional (2D) orthogonal images provides only point dose estimates while CT-based planning provides volumetric dose assessment helping in understanding the correlation
Sh Srivastava, N K Painuly, S P Mishra, K Srivastava, N Singh, S Singh, M L B Bhatt   +6 more
doaj   +1 more source

Evaluation of deep learning-based autosegmentation in breast cancer radiotherapy

Radiation Oncology, 2021
Purpose To study the performance of a proposed deep learning-based autocontouring system in delineating organs at risk (OARs) in breast radiotherapy with a group of experts. Methods Eleven experts from two institutions delineated nine OARs in 10 cases of
Hwa Kyung Byun, Jee Suk Chang, Min Seo Choi, Jaehee Chun, Jinhong Jung, Chiyoung Jeong, Jin Sung Kim, Yongjin Chang, Seung Yeun Chung, Seungryul Lee, Yong Bae Kim   +10 more
doaj   +1 more source

Evaluation of Three-Dimensional Conformal Radiotherapy and Intensity Modulated Radiotherapy Techniques for Left Breast Post-Mastectomy Patients: Our Experience in Nigerian Sovereign Investment Authority-Lagos University Teaching Hospital Cancer Center, South-West Nigeria

European Journal of Breast Health, 2021
Objective:This study aimed to evaluate the dosimetric properties of treatment plans obtained from three-dimensional conformal radiotherapy (3D-CRT) and intensity-modulated radiotherapy techniques (IMRT) plans for left chest wall breast cancer patients ...
Samuel Adeneye, Michael Akpochafor, Bolanle Adegboyega, Adewumi Alabi, Nusirat Adedewe, Adedayo Joseph, Omolara Fatiregun, Akintayo Omojola, Abe Adebayo, Esther Oluwadara   +9 more
doaj   +1 more source

Towards automated organs at risk and target volumes contouring: Defining precision radiation therapy in the modern era

Journal of the National Cancer Center, 2022
Precision radiotherapy is a critical and indispensable cancer treatment means in the modern clinical workflow with the goal of achieving “quality-up and cost-down” in patient care.
Dakai Jin, Dazhou Guo, Jia Ge, Xianghua Ye, Le Lu   +4 more
doaj   +1 more source

3D-Conformal Radiation Therapy and Intensity-Modulated Radiation Therapy Techniques for Laryngeal Cancer Taking Parotid Glands as Organ at Risk [PDF]

Hospital Practices and Research, 2020
Background: Three-dimensional conformal radiotherapy (3D-CRT) and intensity-modulated radiotherapy (IMRT) techniques are used for the treatment of patients with laryngeal cancer. Objective: This study aimed to investigate the effects of these 2 treatment
Dler K. Ismael, Fatiheea F. Hassan
doaj   +1 more source

A novel specific grading standard study of auto-segmentation of organs at risk in thorax: subjective–objective-combined grading standard

BioMedical Engineering OnLine, 2021
Background To develop a novel subjective–objective-combined (SOC) grading standard for auto-segmentation for each organ at risk (OAR) in the thorax. Methods A radiation oncologist manually delineated 13 thoracic OARs from computed tomography (CT) images ...
Yanchen Ying, Hao Wang, Hua Chen, Jianfan Cheng, Hengle Gu, Yan Shao, Yanhua Duan, Aihui Feng, Wen Feng, Xiaolong Fu, Hong Quan, Zhiyong Xu   +11 more
doaj   +1 more source