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Attenuation and De-focusing During High-Intensity Focused Ultrasound Therapy Through Peri-nephric Fat

Abstract:

High-intensity focused ultrasound (HIFU) is an attractive therapy for kidney cancer, but its efficacy can be limited by heat deposition in the pre-focal tissues, notably in fat around the kidney (peri-nephric fat), the acoustic properties of which have not been well characterized. Measurements of attenuation were made using a modified insertion-loss technique on fresh, unfixed peri-nephric fat obtained from patients undergoing kidney surgery for cancer. The de-focusing effect of changing the ...

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Journal:
Ultrasound in Medicine and Biology
Volume:
39
Issue:
10
Pages:
1785-1793
Publication date:
2013-10-05
DOI:
EISSN:
1879-291X
ISSN:
0301-5629
URN:
uuid:4aa87242-c89f-47a0-b23b-0e0666d17d0d
Source identifiers:
426143
Local pid:
pubs:426143

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