TH‐E‐218‐03: On the Significance of Density‐Induced Speed of Sound Variations on Ultrasound‐Guided Radiotherapy

Purpose: US systems assume that speed of sound (SOS) is constant in human soft tissues (at a value of 1540 m/s), while its actual non homogeneous distribution produces small but systematic errors of up to a few millimeters in the positions of scanned structures. This work aims at showing the effect...

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Veröffentlicht in:	Medical Physics 2012-06, Vol.39 (6), p.4018-4018
Hauptverfasser:	Fontanarosa, D, van der Meer, S, Bloemen, E, Verhaegen, F
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustical effects Computed tomography Medical imaging Optical aberrations Radiation therapy Speed of sound Tissues Ultrasonic effects Ultrasonography
Online-Zugang:	Volltext
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