| Autor: |
Anthony Borgmann, Kathryn Ozgun, Jaime Tierney Stanton, Daniel B. Brown, Brett Byram, Jennifer C. Baker |
| Rok vydání: |
2021 |
| Předmět: |
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| Zdroj: |
Medical Imaging 2021: Ultrasonic Imaging and Tomography. |
| DOI: |
10.1117/12.2582109 |
| Popis: |
Immediate postoperative assessment of trans-arterial chemoembolization (TACE) using gold standard modalities, MRI and CT, is unreliable due to confounding interactions with lipiodol and post-embolization inflammatory changes. We previously demonstrated that recent advancements in power Doppler ultrasound processing enables changes in slow blood flow to be detected immediately following TACE. Recently, we have developed a filtering method that employs a higherorder singular value decomposition (HOSVD) applied to aperture data to mitigate thermal noise and acoustic clutter. Here, we investigate HOSVD as a tool to improve non-contrast ultrasound evaluation of TACE. Preliminary feasibility is demonstrated in a small pilot study. Treatment-induced changes in perfusion are visualized most readily using the HOSVD filter in comparison to conventional filtering methods. The HOSVD filter produced the greatest change in contrast between pre-TACE and post-TACE power Doppler images. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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