Chie Toramatsu
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View article: Prediction of tumour hypoxia status from the washout of positron emitters in beam-monitoring PET: carbon-ion irradiation to tumour rat models
Prediction of tumour hypoxia status from the washout of positron emitters in beam-monitoring PET: carbon-ion irradiation to tumour rat models Open
Background: The aim of this study was to identify a hypoxic area in tumour imaging without the use of radiopharmaceuticals. Since tumour hypoxia status is an important indicator to evaluate effects of the treatment, frequent monitoring of …
View article: Development of an ultrasensitive small animal PET with 4-layer DOI detectors for sub-second dynamic rodent imaging
Development of an ultrasensitive small animal PET with 4-layer DOI detectors for sub-second dynamic rodent imaging Open
Objective. Dynamic positron emission tomography (PET) imaging is important for preclinical research since it can visualize the functional information of rodent models as a function of time. However, the temporal resolution of small animal …
View article: Tumour status prediction by means of carbon-ion beam irradiation: comparison of washout rates between in-beam PET and DCE-MRI in rats
Tumour status prediction by means of carbon-ion beam irradiation: comparison of washout rates between in-beam PET and DCE-MRI in rats Open
Objective. Tumour response to radiation therapy appears as changes in tumour vascular condition. There are several methods for analysing tumour blood circulatory changes one of which is dynamic contrast-enhanced magnetic resonance imaging …
View article: Predictors of Adverse Gastrointestinal Events After Stereotactic Body Radiation Therapy for Liver Tumors
Predictors of Adverse Gastrointestinal Events After Stereotactic Body Radiation Therapy for Liver Tumors Open
Background/Aim: To identify predictors of adverse gastrointestinal (GI) events related to stereotactic body radiation therapy (SBRT) for liver tumors. Patients and Methods: We retrospectively analyzed 56 patients who underwent SBRT for liv…
View article: Assessment of the confidence interval in the multivariable normal tissue complication probability model for predicting radiation-induced liver disease in primary liver cancer
Assessment of the confidence interval in the multivariable normal tissue complication probability model for predicting radiation-induced liver disease in primary liver cancer Open
We developed a confidence interval-(CI) assessing model in multivariable normal tissue complication probability (NTCP) modeling for predicting radiation-induced liver disease (RILD) in primary liver cancer patients using clinical and dosim…
View article: Biological washout effect in in-beam PET: animal studies
Biological washout effect in in-beam PET: animal studies Open
Positron emission tomography (PET) is a practical tool for range verification of hadron therapy. As well, the quantitative washout of the positron emitters has a potential usefulness as a diagnostic index, but the modelling for this has no…
View article: Assessing the uncertainty in a normal tissue complication probability difference (∆NTCP): radiation-induced liver disease (RILD) in liver tumour patients treated with proton vs X-ray therapy
Assessing the uncertainty in a normal tissue complication probability difference (∆NTCP): radiation-induced liver disease (RILD) in liver tumour patients treated with proton vs X-ray therapy Open
Modern radiotherapy technologies such as proton beam therapy (PBT) permit dose escalation to the tumour and minimize unnecessary doses to normal tissues. To achieve appropriate patient selection for PBT, a normal tissue complication probab…