Zobrazeno 1 - 10
of 1 087
pro vyhledávání: '"Ultrasound Tomography"'
Publikováno v:
Journal of Modern Science, Vol 57, Iss 3, Pp 652-667 (2024)
The study aims to develop a reconstruction and measurement system for data analysis using ultrasound transmission tomography (UST) and electrical impedance tomography (EIT), which can be implemented in wearable solutions for non-invasive monitoring a
Externí odkaz:
https://doaj.org/article/e4b4aa866a844d3988cb222069fbebca
Publikováno v:
Journal of Modern Science, Vol 57, Iss 3, Pp 684-700 (2024)
Technological advancements in medical imaging techniques are opening new possibilities for diagnostics and monitoring health conditions. This study aimed to develop and evaluate a portable ultrasound-impedance tomograph designed for long-term monitor
Externí odkaz:
https://doaj.org/article/7b02eafe11e84dffbb9c3baa4f247220
Publikováno v:
Journal of Modern Science, Vol 57, Iss 3, Pp 783-802 (2024)
The development of ultrasound tomography (UST) aimed to significantly enhance the precision and safety of non-invasive UST imaging, particularly for studying crystallization processes in biological tissues. The initiative sought to address the limita
Externí odkaz:
https://doaj.org/article/f8d40f215ac54403992b2252db00abde
Publikováno v:
Journal of Modern Science, Vol 57, Iss 3, Pp 803-822 (2024)
This study aims to integrate ultrasound tomography with numerical algorithms to significantly enhance brain sensing capabilities for diagnosing critical brain abnormalities. Advanced ultrasound tomography, employing a high-frequency transducer array,
Externí odkaz:
https://doaj.org/article/f57983ce42ae4d319bad246ed4153906
Publikováno v:
Tomography, Vol 10, Iss 5, Pp 789-805 (2024)
The aim of this study was to show for the first time that low-frequency 3D-transmitted ultrasound tomography (3D UT, volography) can differentiate breast tissue types using tissue properties, accurately measure glandular and ductal volumes in vivo, a
Externí odkaz:
https://doaj.org/article/675648e4257d49bdaeb46e5e03faae45
Publikováno v:
Advanced Ultrasound in Diagnosis and Therapy, Vol 8, Iss 1, Pp 7-14 (2024)
ObjectiveTo evaluate the feasibility and capability of UT in detecting musculoskeletal system lesions in the limbs and to explore its image quality.Materials and Methods The Institutional Review Board has approved this prospective single-center study
Externí odkaz:
https://doaj.org/article/c8c16e299224448c9eb5c0c7d1edc011
Publikováno v:
Applied Mathematics in Science and Engineering, Vol 31, Iss 1 (2023)
The sensitivity of phase-sensitive detectors, such as piezoelectric detectors, becomes increasingly directional as the detector element size increases. In contrast, pyroelectric sensors, which are phase-insensitive, retain their omni-directionality e
Externí odkaz:
https://doaj.org/article/9c56abbd723d4422b9c02dc095f983ba
Publikováno v:
Zeitschrift für Medizinische Physik, Vol 33, Iss 3, Pp 427-443 (2023)
A novel 3D ultrasound tomographic (3D UT) method (called volography) that creates a speed of sound (SOS) map and a reflection modality that is co-registered are reviewed and shown to be artifact free even in the presence of high contrast and thus sho
Externí odkaz:
https://doaj.org/article/f33f506016484161b80fa5cce106bcd2
Publikováno v:
Zeitschrift für Medizinische Physik, Vol 33, Iss 3, Pp 444-451 (2023)
Purpose: Photoacoustic tomography (PAT) is a non-invasive and high-resolution imaging technique that can provide functional and molecular information from the optical properties of pathological tissues, such as cancer. Spectroscopic PAT (sPAT) is cap
Externí odkaz:
https://doaj.org/article/7804f430ad7f46c38d7dd98842bfa684
Publikováno v:
Digital Diagnostics, Vol 4, Iss 2, Pp 214-225 (2023)
We provide a rare clinical and diagnostic observation of primary and recurring malignant ovarian struma. Malignant struma of the right ovary was detected 2 years after surgical treatment of primary benign struma of the left ovary. Six months later
Externí odkaz:
https://doaj.org/article/7b0f0e63df9340e482935fbb4379a289