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Re: Skin condition and ultrasound imaging From: James S Smeltzer MD (gaperina@mindspring.com) Sat Mar 30 14:42:01 2002 Messages sorted by: [ date ][ thread ][ subject ][ author ] Next message: James S Smeltzer MD: "8weeks?body=http://www.obgyn.net/us/present/0202/doblas_8week_u" Previous message: Vladimir Antic: "8weeks?body=http://www.obgyn.net/us/present/0202/doblas_8week_urgent.htm" In reply to: Wolfgang Moroder, MD: "Skin condition and ultrasound imaging" Wolfgang, These effects would probably improve image resolution. I too wonder why some women have lousy transmission and resolution, and others good, out of proportion to the amount of fat we see. Jim At 09:39 AM 3/30/2002 -0600, you wrote: >Many of my collegues and I have the suspicion that the cosmetic >abdominal skin treatment with different ointments, gels or lotions >specially in pregnancy alters ultrasound transmission. I did not find >any studies dealing with this issue exept the following: > >In Vivo Examination Of Effects Of Creams And Ointments On Stratum >Corneum Using 100 MHz Sonography > >http://www.mcmaster.ca/inabis98/newtech/kaspar0548/two.html > >The study concluded: > >"The thickness increase of the stratum corneum is due to an increase in >humidity, which is a direct effect of water-containing externals or >which is due to a reduction of vaporisation in fat-containing externals. > >We observed the following effects of locally applied externals on the >ultrasound image: >- a significant thickening of the stratum corneum on the finger pads, >- a change of the echo intensity of the upper stratum corneum and >- a reduction of the echogenicity of the skin entry echo after a long >application time." > >I wonder if the thickness of the fat layer is the only responsible >variable for what we define as maternal habitus when unhappy with our >imaging power. >Best regards. >Wolfgang Moroder M.D. > >-- >Wolfgang Moroder, MD >Prenatal Unit >Bolzano General Hospital Italy > Next message: James S Smeltzer MD: "8weeks?body=http://www.obgyn.net/us/present/0202/doblas_8week_u" Previous message: Vladimir Antic: "8weeks?body=http://www.obgyn.net/us/present/0202/doblas_8week_urgent.htm" In reply to: Wolfgang Moroder, MD: "Skin condition and ultrasound imaging"

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