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Article
Development of a Web-Based Radiation Toxicity Prediction System Using Metarule-Guided Mining to Predict Radiation Pneumonitis and Esophagitis in Lung Cancer Patients
Radiation toxicity grades must be reviewed based on existing knowledge-based clinical evidence or be assessed by referencing the clinical research literature to minimize radiation toxicity associated with radi...
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Article
Relevant reduction effect with a modified thermoplastic mask of rotational error for glottic cancer in IMRT
The purpose of this study was to analyze the glottis rotational error (GRE) by using a thermoplastic mask for patients with the glottic cancer undergoing intensity-modulated radiation therapy (IMRT). We select...
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Article
Setup deviations for whole-breast radiotherapy with TomoDirect: A comparison of weekly and biweekly image-guided protocols
The purpose of this study was to compare patient setup deviations for different image-guided protocols (weekly vs. biweekly) that are used in TomoDirect three-dimensional conformal radiotherapy (TD-3DCRT) for ...
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Article
Treatment plan comparison of linac step and shoot, tomotherapy, rapidarc, and proton therapy for prostate cancer by using the dosimetrical and the biological indices
The purpose of this study was to use various dosimetrical indices to determine the best intensitymodulated radiation therapy (IMRT) modality - for treating patients with prostate cancer. Ten patients with pros...
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Article
Optimization of beam orientation and virtual organ delineation for lung IMRT
This study demonstrates the feasibility of the proposed intensity-modulated radiotherapy (IMRT) techniques for minimizing the dose to the lungs and organs at risk (OARs) for variations in the number of beams, ...
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Article
Comparison of the BANGkit™ and the PRESAGE™ gel dosimeters for use with a CCD-based optical CT scanner
We compared the basic characteristics of two commercially-available scattering gel (BANGkit™) and non-scattering gel (PRESAGE™) dosimeters with a spectrophotometer to investigate each device’s dosimetric prope...
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Article
Spectrophotometric determination of the optimal wavelength for a polymer-gel dosimeter
The purpose of this study was to determine the optimal wavelength for a polymer-gel dosimeter previously developed by our research groups; this was done through a spectrophotometric characterization of its dos...
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Article
Single-Mode Superconductivity in LaAlO3/SrTiO3 Nanostructures
The properties of superconductors at the extreme limits of dimensionality are of fundamental interest. The interface of LaAlO3 and SrTiO3 hosts a quasi-two-dimensional superconductor below Tc≈200 mK. Here we repo...
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Article
Evaluation of the accuracy of different combinations of automatic registration selection factors in obtaining tomotherapy megavoltage computed tomography images
The purpose of our study is to find the potential best options for the registration selection parameters when performing automatic registration between kilovoltage computed tomography (KVCT) and megavoltage co...
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Article
Analysis of output factors with various detectors in small-field electron-beam radiotherapy
To identify an appropriate detector for the precise measurement of small-field electron-beam radiotherapy, we categorized cutout lead blocks into three types by size and shape. We measured the cutout factor fo...
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Article
Eliminating weldlines of an injection-molded part with the aid of high-frequency induction heating
High-frequency induction is an efficient way to heat mold surface by non-contact electromagnetic induction. It has been recently applied to injection molding because of its capability to heat and cool mold sur...
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Chapter and Conference Paper
Evaluation of the Accuracy of the CyberKnife
The use of stereotactic radiosurgical systems to treat intracranial and extracranial tumors and other lesions requires a high degree of accuracy in target identification and localization. CyberKnife can delive...
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Chapter and Conference Paper
Quantitative Evaluation of the Guided Respiration for Motion Adaptive Radiotherapy
Targets inside lung or liver usually move significantly due to respiratory motion. A generous margin must be allowed and large volume of normal tissue is irradiated with intensive radiation. Several techniques...
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Chapter and Conference Paper
The Effect of the CT Number for Each CT on Photon Dose Calculation
The CT numbers obtained from computed tomography (CT) are potentially useful for inhomogeneity correction in CT based treatment planning. The purpose of this study is to evaluate the variation of CT number fro...
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Chapter and Conference Paper
In Vivo Dosimetry with MOSFET Detector during Radiotherapy
In Vivo dosimetry is a method to evaluate the radiotherapy; it is used to find the dosimetric and mechanical errors of radiotherapy unit. In this study, on-line In Vivo dosimetry was enabled by measuring the s...
