-VISIT OUR OTHER FORUMS- OB-GYN-L Ultrasound Ultrasound History Fibroid Forum Physicians-in-Training Tech Talk OBSTET-L (portuguese) OBGIN-L (spanish) Nursing

Re: search Projects was Re: Yolk sac From: Terry J. DuBose (DuBose@io.com) Sun Jan 31 19:47:58 1999 Messages sorted by: [ date ][ thread ][ subject ][ author ] Next message: Joseph A Worrall: "Re: search Projects was Re: Yolk sac" Previous message: Mario Libardi: "Re: Yolk sac" In reply to: Terry J. DuBose: "Re: Ultrasound marker for fetal post-maturity" Perhaps an approach would be to have an Abnormal Yolk Sac Registry Form where people could post the YS inside measurement, LMP date, CRL length, EHR by M-mode, b-HCG if available, and the outcome including any genetics. If this form were a perminate fixture in the Ultrasound section, then we might accumulate a large number of abnormals in a few months. It might be instructive to even have a image file upload area. That way the small or solid YS might tell us something also. Peace, Terry J. DuBose, M.S., RDMS, FAIUM University of Arkansas for Medical Sciences At Sun, 31 Jan 1999, Joseph A Worrall wrote: > >I do not think dealing with inside and outside measurements of the yolk sac >would be worthwhile. > >I am not familiar enough with the work that has been done on the yolk sac to >know how definitive it is: is the finding of a large yolk sac early in the >first trimester have the same specificity, sensitivity, PPV and NPV as the >nuchal translucency work, or is it more like the middle phalanx of the fifth >finger? > >I would agree with you if we really can say the work has already been done. >I think I have Dr. Lyons' paper in my files, and I will have to read it >again. > >As you say, perhaps we should just request that folks who come across a yolk >sac greater than 6 mm inner diameter at 8 weeks or less, please report the >case when the outcome is known. And we could ask Kevin to keep these cases >posted in a special area. > >At least, we have begun to think about the potential: I have mentioned >before that I am awed when I think that Beryl Benaceraff's lab does 80 >prenatal scans per day. No wonder she can publish so much on so many >prenatal things+ACE- >We need some idea of how many prenatal scans +ACI-we+ACI- (meaning our online >community, whatever that is) do a day. That would give us some idea of our >potential statistical power. It is likely that an online study would lack >design, tight control, etc, but could make up for it in sheer statistical >power. But maybe not: if a study is poorly designed, probably it would be a >poor study no matter how large. > >Like we sometimes say, experience may mean doing the same thing incorrectly >for a lifetime. > >Anyway, I admire your thoughts on this, and will look forward to what Andrea >and Dr. Lyons have to say. Thanks for bringing this out. > >We are minus 40 F here - could be worse. > >-- >Joseph A Worrall MD RDMS > -- Peace, Terry J. DuBose. M.S., RDMS, FAIUM DMS Program Director, Univ. Arkansas for Medical Sciences, USA Chair, Ultrasound @ OBGYN.net Now is the time for all good folks to come to the aid of the Earth. --- Next message: Joseph A Worrall: "Re: search Projects was Re: Yolk sac" Previous message: Mario Libardi: "Re: Yolk sac" In reply to: Terry J. DuBose: "Re: Ultrasound marker for fetal post-maturity"

recommended search...
OBGYN.net forums endometriosis zone Web

Return to

Mail a New Message to the Forum: ultrasound@obgyn.net Forum Administrator: terry.dubose@obgyn.net Report Technical Problems: webmaster@obgyn.net Last Updated: Mon Nov 2 05:39:38 2009

The American Medical Association is no longer designating CME hours for AMA Category II CME credit. However, physicians themselves may self designate learning activities as Category II CME credit hours if they feel it is of sufficient educational merit and meets the formal definitions of continuing medical education. OBGYN.net believes these interaction in this forum meets these criteria. For further information see the AMA web site.