Journal
QUANTUM ELECTRONICS
Volume 36, Issue 12, Pages 1097-1102Publisher
TURPION LTD
DOI: 10.1070/QE2006v036n12ABEH013262
Keywords
opto-acoustic diagnostic method; biological tissues; high-intensity ultrasound
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The possibility of using the opto-acoustic (OA) method for monitoring high-intensity ultrasonic therapy is studied. The optical properties of raw and boiled liver samples used as the undamaged model tissue and tissue destroyed by ultrasound, respectively, are measured. Experiments are performed with samples consisting of several alternating layers of raw and boiled liver of different thickness. The position and transverse size of the thermal lesion were determined from the temporal shape of the OA signals. The results of measurements are compared with the real size and position of the thermal lesion determined from the subsequent cuts of the sample. It is shown that the OA method permits the diagnostics of variations in biological tissues upon ultrasonic therapy.
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