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Re: Physics of Ultrasound From: udaya kumar (udaya@md2.vsnl.net.in) Tue Oct 2 20:44:37 2001 Messages sorted by: [ date ][ thread ][ subject ][ author ] Next message: Wolfgang Moroder, MD: "Re: Physics of Ultrasound" Previous message: Terry J DuBose: "Re: Physics of Ultrasound" Maybe in reply to: Wolfgang Moroder, MD: "Physics of Ultrasound" Next in thread: Wolfgang Moroder, MD: "Re: Physics of Ultrasound" Reply: Wolfgang Moroder, MD: "Re: Physics of Ultrasound" Dear Wolfgang Moroder, I have seen this happen in Hydrocele while using 11Mhz transducer. An amazing churning movement. I thought it unusual when I first saw it. Today, having seen it so often in any number of cases, I've just ignored it. It is seen only when you use high frequency probe. ..Udayakumar, Genesis scans, India. "Wolfgang Moroder, MD" wrote: > Scanning a 9 cm large pelvic cyst with a diffuse fine moderatly > echogenic content (endometriosis?) I observed, for the first time, a > phenomenon of the small particles moving constantly away from the 7 MHz > TV probe.  I could even measure the speed impressed which was aroud 0.3 > cm/s.  With color it was more evident with a "blush" showing that the > particles were accelerated by the approach of the probe.  Now, my > question is if it is the heat or the mechanical action of the ultrasound > which impresses the movement to the particles? What kind of content > (particles) could show such a phenomenon and finally if this could have > some diagnostic value for the nature ot the cyst? > > -- > Wolfgang Moroder, MD > Prenatal Unit > Bolzano General Hospital  Italy Next message: Wolfgang Moroder, MD: "Re: Physics of Ultrasound" Previous message: Terry J DuBose: "Re: Physics of Ultrasound" Maybe in reply to: Wolfgang Moroder, MD: "Physics of Ultrasound" Next in thread: Wolfgang Moroder, MD: "Re: Physics of Ultrasound" Reply: Wolfgang Moroder, MD: "Re: Physics of Ultrasound"

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