Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Maria Y. Y. Law"'
Autor:
Maria Y. Y. Law, K. W. Cheung, P. M. Wu, H. I. Lam, K. K. Sang, H. F. Choi, W. M. Chan, Y. W. Ho
Publikováno v:
Journal of Radiotherapy in Practice. 17:244-252
AimThe purpose of this study was to investigate whether significant difference exists on radiation dose delivered to organs at risks in megavoltage computed tomography (MVCT) verification using three predefined scanning modes, namely fine (2 mm), nor
Publikováno v:
Journal of cancer education : the official journal of the American Association for Cancer Education. 36(2)
Medical dosimetry is an important component in training of radiation therapist, yet it is not easy for student to understand the principle of treatment planning and to be familiar with the relationship of the clinical target volume (CTV), planned tar
Autor:
Fion W. K. Cheung, Maria Y. Y. Law
Publikováno v:
Medical Physics. 39:5740-5756
Purpose: Intensity modulated radiation therapy (IMRT) has gained popularity in the treatment of cancers. Manual evaluation of IMRT plans for head-and-neck cancers has been especially challenging necessitating efficient and objective assessment tools.
Publikováno v:
RadioGraphics. 29:961-972
Comprehensive clinical imaging data and additional relevant information are crucial for the planning and delivery of radiation therapy in patients with cancer. Multiple stand-alone systems that make use of technologic advances in imaging, treatment p
Autor:
Brent J. Liu, Maria Y. Y. Law
Publikováno v:
RadioGraphics. 29:655-667
The Digital Imaging and Communications in Medicine (DICOM) standard is now widely implemented in radiology as the standard for diagnostic imaging. It has also been extended for use in various sub-specialties. One of the first extensions was applied t
Publikováno v:
Computerized Medical Imaging and Graphics. 31:311-321
The need for quantified knowledge and decision-support tools to handle complex radiation therapy (RT) imaging and informatics data is becoming steadily apparent. Lessons can be learned from current CAD applications in radiology. This paper proposes a
Autor:
Maria Y. Y. Law
Publikováno v:
Computerized Medical Imaging and Graphics. 29:125-136
Electronic patient records for radiation therapy (RT) consists of text, images and graphics. To enable the exchange of RT patient information between systems and institutions, a common standard is called for and the DICOM standard extension to radiat
Publikováno v:
Computerized Medical Imaging and Graphics. 29:103-114
Internet-2 is an advanced computer network, which has been widely used for medical imaging applications such as teleradiology and teleconsultation, since Internet-2 can fulfill the requirements for high-speed data transmission and short turn-around t
Autor:
H. K. Huang, Maria Y. Y. Law
Publikováno v:
Computerized Medical Imaging and Graphics. 27:1-9
Radiation Therapy (RT) is an image-based treatment. It requires images from projection X-rays, computed tomography, magnetic resonance, positron emission tomography, Linear Accelerator for tumor localization, treatment planning and verification of tr
Publikováno v:
Journal of Radiotherapy in Practice. 3:33-41
Purpose: The purpose of this study is to compare the performance of three 3-dimensional radiotherapy treatment planning systems (TPS) in terms of user-friendliness and dosimetric accuracy.Methods: A scale type questionnaire, which contained 129 items