Compared to regular ultrasound modalities such as A-scan or B scan (10 MHz), UBM uses a much higher frequency transducer (35-100 MHz) . This results in resolutions up to 20um axially and 50um laterally, and depth of tissue penetration is 4-5mm.
23 сент. 2024 г.
The two main strengths of the B-scan ultrasound are the ability to examine all components of the globe and to penetrate through various media opacities. Figure 9.10.4: B-scan of... · Figure 9.10.5: B-scan of a... |
14 нояб. 2020 г. · B-scan ultrasonography is an important adjuvant especially in opaque media for the clinical assessment of various ocular and orbital diseases. |
Purpose: The aim of our work is to compare between B Scan Ultrasonography, Immersion UBM and. Contact UBM Techniques In evaluation of the Lens Area. Methods ... |
The UBM examination technique is almost similar to B-mode ultrasound where the transducer direction and manipulation of the probe is guided by looking at the ... |
6 мар. 2022 г. · UBM: Ultrasound Biomicroscopy utilizes high frequency transducers to obtain a high resolution image. Allowing us to view the anterior chamber of ... |
UBM is superior to conventional B-scan ultrasound for the precise localization of anteriorly located uveal melanoma, allowing for serial monitoring.25 It ... |
UBM is an imaging technique that assesses the depth of tissue structures by measuring the time delay of the returning ultrasound signal. |
20 апр. 2024 г. · Comparison between B scan ultrasonography, immersion UBM and contact UBM techniques in evaluation of the lens area. |
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