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Med Phys. 2017 Apr;44(4):1494-1499. doi: 10.1002/mp.12138. Epub 2017 Mar 22.

Technical Note: Thermoacoustic imaging of hemorrhagic stroke: A feasibility study with a human skull.

Huang L1,2, Li T1,2, Jiang H1,2,3.

Author information

1
School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu, 610054, China.
2
Center for Information in Medicine, University of Electronic Science and Technology of China, Chengdu, China.
3
Department of Medical Engineering, University of South Florida, Tampa, FL, USA.

Abstract

PURPOSE:

To study the possibility of thermoacoustic imaging (TAI) toward hemorrhagic stroke detection.

METHODS:

A single-transducer circular-scanning TAI system was used for data collection. An agar powder-based, tissue-mimicking phantom enclosed by a human skull was applied to simulate the brain for thermoacoustic imaging of hemorrhagic stroke.

RESULTS:

Several phantom experiments mimicking hemorrhagic stroke detection were conducted, and the results showed that "hemorrhagic" targets as small as 0.9 mm in diameter could be detected.

CONCLUSIONS:

This study suggests that TAI has the potential to be used for noninvasive hemorrhagic stroke detection and identification of hemorrhagic from ischemic stroke.

KEYWORDS:

hemorrhagic stroke detection; human skull; thermoacoustic imaging

PMID:
28133757
DOI:
10.1002/mp.12138
[Indexed for MEDLINE]

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