Demonstration Study of Reflector-Based Volumetric Speed-of-Sound Imaging With Linear Ultrasound Arrays
In this study, we introduce a 3D SoS reconstruction system that utilizes hand-held linear arrays instead. This system employs a passive reflector positioned opposite the linear arrays, serving as an echogenic reference for time-of-flight (ToF) measurements, and a high-definition camera to track the location corresponding to each group of transmit-receive data. To merge these two streams of ToF measurements and location tracking, a voxel-based reconstruction algorithm is implemented. Experimental results with gelatin phantom and ex vivo tissue have demonstrated the stability of our proposed method. Moreover, the results und...
Source: Ultrasonic Imaging - April 22, 2024 Category: Radiology Authors: Xiaoyi Jiang Kexin Gan Yuxin Wang Chao Tao Xiaojun Liu Jie Yuan Zhibin Jin Source Type: research
Effect of changing the radiation dose range on the in vitro cytogenetic dose response to gamma-rays
CONCLUSIONS: The classical LQ model with fixed coefficients appears to have limited applicability for cytogenetic dosimetry at radiation doses >5 Gy due to the saturation of the dose response. Different response of the LQ coefficients to the changes of the dose range must be considered during the DRC construction. Proper selection of minimum and maximum dose in calibration experiments makes it possible to improve the goodness of fit of the LQ DRC.PMID:38647504 | DOI:10.1080/09553002.2024.2338511 (Source: International Journal of Radiation Biology)
Source: International Journal of Radiation Biology - April 22, 2024 Category: Radiology Authors: Volodymyr A Vinnikov Source Type: research
Kidney dynamic SPECT acquisition on a CZT swiveling-detector ring camera: an in vivo pilot study
Large field of view CZT SPECT cameras with a ring geometry are available for some years now. Thanks to their good sensitivity and high temporal resolution, general dynamic SPECT imaging may be performed more e... (Source: BMC Medical Imaging)
Source: BMC Medical Imaging - April 22, 2024 Category: Radiology Authors: Michel Hesse, Florian Dupont, Nizar Mourad, Pavel Babczenko, Gwen Beaurin, Daela Xhema, Eliano Bonaccorsi-Riani, Fran çois Jamar and Renaud Lhommel Tags: Research Source Type: research
The role of urology and radiology in prostate biopsy: current trends and future perspectives
ConclusionThere is no evidence to suggest that prostate biopsy should be solely performed by a specific specialty. The most important factor remains knowledge of the relevant anatomy and sufficient volume of cases to develop and maintain skills. (Source: World Journal of Urology)
Source: World Journal of Urology - April 22, 2024 Category: Urology & Nephrology Source Type: research
An Intuitionistic Fuzzy C-Means and Local Information-Based DCT Filtering for Fast Brain MRI Segmentation
AbstractStructural and photometric anomalies in the brain magnetic resonance images (MRIs) affect the segmentation performance. Moreover, a sudden change in intensity between two boundaries of the brain tissues makes it prone to data uncertainty, resulting in the misclassification of the pixels lying near the cluster boundaries. The discrete cosine transform (DCT) domain-based filtering is an effective way to deal with structural and photometric anomalies, while the intuitionistic fuzzy C-means (IFCM) clustering can handle the uncertainty using the intuitionistic fuzzy set (IFS) theory. In this background, we propose two n...
Source: Journal of Digital Imaging - April 22, 2024 Category: Radiology Source Type: research
Comparison of vestibular aqueduct visualization on computed tomography and magnetic resonance imaging in patients with M énière’s disease
The vestibular aqueduct (VA) serves an essential role in homeostasis of the inner ear and pathogenesis of M énière’s disease (MD). The bony VA can be clearly depicted by high-resolution computed tomography (HRC... (Source: BMC Medical Imaging)
Source: BMC Medical Imaging - April 22, 2024 Category: Radiology Authors: Kaijun Xia, Ping Lei, Yingzhao Liu, Cen Chen, Hui Pan, Yangming Leng and Bo Liu Tags: Research Source Type: research
Phantom and clinical evaluation of the Bayesian penalised likelihood reconstruction algorithm Q.Clear without PSF correction in amyloid PET images
Bayesian penalised likelihood (BPL) reconstruction, which incorporates point-spread-function (PSF) correction, provides higher signal-to-noise ratios and more accurate quantitation than conventional ordered su... (Source: EJNMMI Physics)
Source: EJNMMI Physics - April 22, 2024 Category: Radiology Authors: Kei Wagatsuma, Muneyuki Sakata, Kenta Miwa, Yumi Hamano, Hirofumi Kawakami, Yuto Kamitaka, Tensho Yamao, Noriaki Miyaji, Kenji Ishibashi, Tetsuro Tago, Jun Toyohara and Kenji Ishii Tags: Original research Source Type: research
Joint EURADOS-EANM initiative for an advanced computational framework for the assessment of external dose rates from nuclear medicine patients
In order to ensure adequate radiation protection of critical groups such as staff, caregivers and the general public coming into proximity of nuclear medicine (NM) patients, it is necessary to consider the imp... (Source: EJNMMI Physics)
Source: EJNMMI Physics - April 22, 2024 Category: Radiology Authors: Lara Struelens, Christelle Huet, David Broggio, J érémie Dabin, Laurent Desorgher, Augusto Giussani, Wei Bo Li, Dietmar Nosske, Yi-Kang Lee, Lidia Cunha, Maria J. R. Carapinha, Mario Medvedec and Peter Covens Tags: Original research Source Type: research
From text to texture: a glossary transforms the pulmonary nodule paradigm
(Source: European Radiology)
Source: European Radiology - April 22, 2024 Category: Radiology Source Type: research
Severe traumatic tricuspid regurgitation detected 8 years after chest trauma
(Source: Journal of Medical Ultrasonics)
Source: Journal of Medical Ultrasonics - April 22, 2024 Category: Radiology Source Type: research
Renal artery coil embolization as an endovascular approach for establishing a rabbit model of chronic kidney disease
This study aimed to investigate the safety and feasibility of renal artery coil embolization for establishing chronic kidney disease (CKD) in rabbits. (Source: Journal of Vascular and Interventional Radiology : JVIR)
Source: Journal of Vascular and Interventional Radiology : JVIR - April 22, 2024 Category: Radiology Authors: Qijia Liu, Yun Pei, Qian Xie, Wenhan Bao, Xuan Li, Jingyuan Luan, Jintao Han Tags: Laboratory Investigation Source Type: research
Implementation of a simulation free palliative Radiation Therapy pathway: An inter-professional collaborative project
The Western New South Wales Local Health District (WNSWLHD) has a significant footprint within the state of New South Wales (NSW). Due to the significant size of the WNSWLHD, patients residing in the local health district face many barriers to receiving Radiation Therapy. The inter-professional collaboration behind the successful implementation and evaluation of a simulation free pathway for palliative Radiation Therapy in WNSWLHD will be explored within this narrative. The process known in WNSWLHD as Medical Imaging Simulated Radiation Therapy (MISRT) removes the need for a computed tomography (CT) simulation and allows f...
Source: Journal of Medical Imaging and Radiation Sciences - April 22, 2024 Category: Radiology Authors: Zoe Clarke Tags: Clinical Perspective Source Type: research
Epidural angioleiomyoma: an extraordinary cause of compressive myelopathy —MRI findings with histopathological correlation
ConclusionThis report serves to raise awareness among clinicians and radiologists about including angioleiomyoma in differential diagnoses for spinal epidural lesions with indicative MRI features. The favorable outcome after surgical intervention underscores the necessity of swift and accurate diagnosis followed by appropriate treatment for such uncommon spinal tumors. (Source: European Spine Journal)
Source: European Spine Journal - April 22, 2024 Category: Orthopaedics Source Type: research
Involved-field radiotherapy in older patients with superficial thoracic esophageal squamous cell carcinoma: long-term outcomes and recurrence patterns
ConclusionsThe efficacy of IFRT was suggested to be comparable to that of standard treatments. Therefore, IFRT can be a promising approach for treating superficial ESCC in older adults, especially those with severe comorbidities. (Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - April 22, 2024 Category: Radiology Source Type: research
Integrating AI in radiology: insights from GPT-generated reports and multimodal LLM performance on European Board of Radiology examinations
(Source: Japanese Journal of Radiology)
Source: Japanese Journal of Radiology - April 22, 2024 Category: Radiology Source Type: research
