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Re: Uterine arteries vs ovarianFrom: Allen Worrall (jworrall@alaska.net)Thu Jun 9 15:13:18 2005
Many more knowledgeable than I will answer, I hope, but I think the textbook is talking about the abdominal approach to the uterine artery, and on the abdominal approach is does appear that the uterine artery crosses the external iliac. However, the uterine artery is deep in the pelvis - I do not know why it does not appear deeper in the pelvis, perhaps something to do with the angle of insonation. Allen
> ----- Original Message ----- I have an anatomical question. We have a new course and textbook: Hofer, Mattthias; Teaching Manual of Color Duplex Sonography, Thieme 2001. On page 58 the text states that "The uterine artery is imaged lateral to the uterus at the site where it crosses over the external iliac artery and the external iliac vein." However, because the uterine artery originates from the internal iliac artery, it can not cross over the external iliac artery. I suspect that they are actually measuring the flow in the gonadal or ovarian artery, which originates higher in the abdomen from the aorta, where it crosses the iliac arteries. See DuBose, p. 347, Figure 16-1; or Curry & Tempkin, p. 264, Figure 16-20A. I remember Kevin Harrington, who worked with Stewart Campbell, also said measure the uterine artery. See: http://www.obgyn.net/displaytranscript.asp?page=/avtranscripts/ISUOG98_harrington My question is, are they really looking for the physiologic notch in early diastole in the uterine artery or is it the gonadal (ovarian)? Do we see the same notch in both the uterine and ovarian? Where exactly are they doing the Doppler? Any help appreciated. Thanks, Terry Terry J. DuBose, M.S., RDMS, FSDMS, FAIUM Associate Professor & Director Diagnostic Medical Sonography Program University of Arkansas for Medical Sciences, CHRP 4301 West Markham St. Mail Slot #563 Little Rock, Arkansas, 72205 USA 501-686-6510 DuBoseTerryJ@UAMS.edu http://www.io.com/~dubose/ http://www.uams.edu/chrp/dms/default.asp http://www.obgyn.net/us/panel/panel.htm --------------------------------------------------------------- =20 --------------------------------------------------------------- ---------------------------------------------------------------
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