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GYN measurementsFrom: Spnglr (Spnglr@aol.com)Sat Dec 6 12:50:48 1997
The fact that a search of the literature reveals a variety of "normal" ranges for endometrial thickness indicates that gyn measurements, as well as those in ob, are subject to differences in pt.population. 16mm is widely accepted as upper limits of nml in premenopausal women, 8mm in postmenopausal w/o HRT. Women on a regimen of estogen/progesterone tend to have endometrial appearance similar to normally cycling women. For women on unopposed estrogen, a cutoff of 10mm is probably not unreasonable as this is the group at higher risk. An endometrial thickness of 5mm or less has been shown to correspond to insufficient tissue to analyze by endo bx. I tend to be more right brained than left, so I do not find regimented measurement ranges to be definitive. Qualitative evaluation should be incorporated into the impression of nml vs.abn. endometrium. Clinical correlation is imperative. A big question is: What does one do with the "numbers"? Automatic endometrial bx? Personal experience has shown me that radiologists tend to be much more "number" orieneted/inclined than the gyns or family medicine people and that, often times, the referring will feel pressured into the pursuit of more invasive procedures based upon a radiology report. IMHO: There is no comparison between reference standards for labortory procedures and establishing universal standards for sonographic measurements. Far more variables in sonography. Apples and oranges, I think. Nancy spnglr@aol.com
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