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Re: Ovarian volumesFrom: DuBose, Terry (DuboseTerryJ@exchange.uams.edu)Mon May 3 08:33:36 1999
If you multiply D1xD2xD2 the volume is for the volume of irregular polyhedra (like a cube with a long axis). This will over estimate the volume of an egg shape by a factor of almost 2. I know of no formulae for ovaries, kidneys, uteri, or fetal crania that is not a rounded variation of: V = D1xD2xD3x0.523 However, the urinary bladder, being more of a pyramidal shape does not usually use this formula. Peace, Terry J. DuBose, M.S., RDMS, FAIUM University of Arkansas for Medical Sciences Little Rock, AR, USA -----Original Message----- From: Durr-e- Sabih [SMTP:dsabih@hotmail.com] Sent: Saturday, May 01, 1999 12:01 AM To: Multiple recipients of list ULTRASOUND Subject: Ovarian volumes There is another formula for a "rotating ellipse" which I think works for ovarian volume too, instead of D1xD2XD3, try only D1 (long axis) and D2xD2 (two short axes)...I guess this is cheating a little bit, but appears more convenient....any comments? Dr. Durr-e-Sabih Multan, Pakistan dsabih@hotmail.com
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