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Ultra-low-dose vs. standard-of-care-dose CT of the chest in patients with post-COVID-19 conditions—a prospective intra-patient multi-reader study
ObjectivesTo conduct an intrapatient comparison of ultra-low-dose computed tomography (ULDCT) and standard-of-care-dose CT (SDCT) of the chest in...
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Dosiomic feature comparison between dose-calculation algorithms used for lung stereotactic body radiation therapy
To evaluate the reproducibility of dose-based radiomic (dosiomic) features between dose-calculation algorithms for lung stereotactic body radiation...
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The use of single-timepoint images to link administered radioiodine activity (MBq) to a prescribed lesion radiation-absorbed dose (cGy): a regression-based prediction interval tool for the management of well-differentiated thyroid cancer patients
PurposeTo introduce a biomarker-based dosimetry method for the rational selection of a treatment activity for patients undergoing radioactive iodine 131...
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A systematic review and meta-analysis of randomized controlled trials comparing low-dose versus standard-dose computed tomography-guided lung biopsy
BackgroundDespite the existence of several Randomized Controlled Trials (RCTs) investigating Low-Dose Computed Tomography (LDCT) as a guide in lung...
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A systematic review and meta-analysis on the radiation dose of computed tomography in hybrid nuclear medicine imaging
BackgroundWhile diagnostic reference levels (DRLs) are well-established for the radiopharmaceutical part, published DRLs for the CT component of...
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Phantom-based analysis of variations in automatic exposure control across three mammography systems: implications for radiation dose and image quality in mammography, DBT, and CEM
BackgroundAutomatic exposure control (AEC) plays a crucial role in mammography by determining the exposure conditions needed to achieve specific...
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Postoperative computed tomography imaging of pediatric patients with craniosynostosis: radiation dose and image quality comparison between multi-slice computed tomography and O-arm cone-beam computed tomography
BackgroundWhen postoperative multi-slice computed tomography (MSCT) imaging of patients with craniosynostosis is used, it is usually performed a few...
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Improved visualization of the wrist at lower radiation dose with photon-counting-detector CT
ObjectiveTo compare the image quality of ultra-high-resolution wrist CTs acquired on photon-counting detector CT versus conventional...
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Optimization of radiation doses for open lumbar spinal fusion using C-arm fluoroscopy and impact on radiation-induced cancer: a pilot study
PurposeIntraoperative fluoroscopy use is essential during spinal fusion procedures. The amount of radiation dose should always be minimized. This...
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Radiation dose levels of thoracic–lumbar spine CT in pediatric trauma patients and assessment of scan parameters for dose optimization
BackgroundCT is frequently used for assessing spinal trauma in children.
ObjectiveTo establish the local diagnostic reference levels of spine CT...
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Comparison of radiation dose and its correlates between coronary computed tomography angiography and invasive coronary angiography in Northeastern Thailand
BackgroundThe number of coronary computed tomography angiography (CCTA) exams is steadily growing. A novel computed tomography (CT) system has been...
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A feasibility study of different GSI noise indexes and concentrations of contrast medium in hepatic CT angiography of overweight patients: image quality, radiation dose, and iodine intake
PurposeTo conduct a comparative study of image quality, radiation dose, and iodine intake in hepatic computed tomographic angiography (CTA) of...
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Pediatric craniosynostosis computed tomography: an institutional experience in reducing radiation dose while maintaining diagnostic image quality
BackgroundChildren with craniosynostosis may undergo multiple computed tomography (CT) examinations for diagnosis and post-treatment follow-up,...
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Diagnostic performance and image quality of an image-based denoising algorithm applied to radiation dose-reduced CT in diagnosing acute appendicitis
PurposeTo evaluate diagnostic performance and image quality of ultralow-dose CT (ULDCT) in diagnosing acute appendicitis with an image-based...
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Optimization of BMI-Based Images for Overweight and Obese Patients — Implications on Image Quality, Quantification, and Radiation Dose in Whole Body 18F-FDG PET/CT Imaging
PurposeIn PET/CT imaging, the activity of the 18 F-FDG activity is injected either based on patient body weight (BW) or body mass index (BMI). The...
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Radiation Dose Aspects of Hepatic Artery Infusion Chemotherapy in Uveal Melanoma Patients with Liver Metastases
PurposeIn uveal melanoma patients, liver metastases can be treated by hepatic artery infusion chemotherapy (HAIC). During this procedure, melphalan...
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Deep learning reconstruction CT for liver metastases: low-dose dual-energy vs standard-dose single-energy
ObjectivesTo assess image quality and liver metastasis detection of reduced-dose dual-energy CT (DECT) with deep learning image reconstruction (DLIR)...
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Radiation dose reduction with deep-learning image reconstruction for coronary computed tomography angiography
ObjectivesDeep-learning image reconstruction (DLIR) offers unique opportunities for reducing image noise without degrading image quality or...
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Low dose of contrast agent and low radiation liver computed tomography with deep-learning-based contrast boosting model in participants at high-risk for hepatocellular carcinoma: prospective, randomized, double-blind study
ObjectiveTo investigate the image quality and lesion conspicuity of a deep-learning-based contrast-boosting (DL-CB) algorithm on double-low-dose...
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Fibrin glue mediated direct delivery of radiation sensitizers results in enhanced efficacy of radiation treatment
PurposeRadiation therapy (RT) plays an important role in the treatment of glioblastoma multiforme (GBM). However, inherent intrinsic resistance of...
