MVCT versus kV‐CBCT for targets subject to respiratory motion…
2021年7月16日 · The use of kilovoltage cone-beam computed tomography (kV-CBCT) or megavoltage computed tomography (MVCT) for image guidance prior to lung stereotactic …
Use of 100 kV versus 120 kV in computed tomography pulmonary ...
2015年4月4日 · To determine the effective radiation dose and image quality resulting from 100 versus 120 kilovoltage (kV) protocols among patients referred for computed tomography …
The effect of kV imaging dose on PTV and OAR planning …
2025年2月21日 · This study aims to quantify the influence of imaging dose derived from real-time tumor monitoring utilizing stereoscopic/monoscopic real-time kV imaging on PTV and OAR …
Dose assessment for daily cone-beam CT in lung radiotherapy
2022年1月25日 · In this study, we analysed the radiation dose from CBCT for clinical lung radiotherapy and assessed its relative contribution when combined with radiation treatment …
kV cone-beam CT-based IGRT: a clinical review - PubMed
An overview on the clinical applications of kilovoltage gantry-mounted CBCT systems with emphasis on the most frequently targeted body sites (prostate, lung, head and neck) is …
Assessment of clinical feasibility:offline adaptive radiotherapy for ...
An offline ART regimen utilizing kV iCBCT and UNet++ based deep learning model is clinically feasible for lung cancer treatment. This approach provides enhanced image quality, …
Low-Dose Computed Tomography for Lung Cancer Screening: …
2017年7月1日 · In this article, we discuss protocols and radiation dose optimization strategies for LDCT in lung cancer screening. An optimal LDCT for lung cancer screening requires …
Kv7 Channels in Lung Diseases - PubMed
2020年6月26日 · Kv7 channels are mainly expressed in two large groups of lung tissues: pulmonary arteries (PAs) and bronchial tubes. In PA, Kv7 channels are expressed in …
Estimation of patient-size dependent imaging dose for …
2023年4月3日 · Patient-specific imaging dose was quantified for monoscopic/stereoscopic real-time kV image guidance in lung and prostate patients with respect to patient size. Additional …
The lung tumor case suggests that there are large discrepancies between the doses computed using CT and KV CBCT images in the inhomogeneous tissue. The significant differences are …
Comparison of image quality and radiation dose of different …
Key points: New CT protocols show promising results in pulmonary embolism assessment. High-pitch dual-source CT (DSCT) at 100 kV provides radiation dose savings for pulmonary CTA. …
We investigated whether a commercial gantry-mounted 2-dimensional (2D) kilo-voltage (kV) imaging system could be used for real-time 3D tumor tracking during volumetric modulated arc …
Deep-Learning-based Fast and Accurate 3D CT Deformable Image ...
2023年4月21日 · Purpose: In some proton therapy facilities, patient alignment relies on two 2D orthogonal kV images, taken at fixed, oblique angles, as no 3D on-the-bed imaging is available.
A Bayesian approach for three-dimensional markerless tumor …
2017年3月21日 · The ability to monitor tumor motion without implanted markers can potentially enable broad access to more accurate and precise lung radiotherapy. A major challenge is …
SU-F-J-33: On-Line Daily KV Image Protocol of Lung Patient Setup …
2016年6月7日 · We randomly selected 20 lung patients who have at least 8 CBCTs in the entire treatment course (total 187 sets of orthogonal kV images plus CBCT). Our evaluation criterion …
Deep Learning for Malignancy Risk Estimation of Pulmonary …
Algorithm performance was measured by using the area under the receiver operating characteristic curve (AUC) and compared with that of the Pan-Canadian Early Detection of …
Difficulties in the Interpretation of Chest Radiography
2010年1月1日 · High peak kilovoltage (kVp) (e.g., 120–130 kVp) views are considered essential and the standard for most purposes; low-kV (e.g., 50–70 kVp) examinations can fail to display …
Markerless 3D tumor tracking during single-fraction free …
KV-based 3-dimensional (3D) tracking using planar fluoroscopic images acquired during volumetric modulated arc therapy (VMAT), has been investigated as a means of position …
Relationship between PD-L1 expression and - Springer
1 天前 · Purpose To investigate the correlation between [18F] labeled fibroblast activation protein inhibitor (FAPI) positron emission tomography (PET)/computed tomography (CT) uptake and …
Explainability and controllability of patient‐specific deep learning ...
2022年11月10日 · We confirmed that the proposed attention-based data augmentation with RO and NI yielded explainable and controllable CNN behavior. The tracking accuracy …