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The endometrium on routine contrast-enhanced CT in asymptomatic postmenopausal women: avoiding errors in
Philip S Lim1, Levon N Nazarian, Richard J Wechsler
1Department of Radiology, Jefferson Medical College, Thomas Jefferson University, 7th Floor Main Building, 132 South Tenth Street, Philadelphia, PA 19107-5244, USA.
Abstract:
We studied 54 asymptomatic postmenopausal women to characterize normal contrast-enhanced computed tomography (CT) appearance of endometrium. Endometrium was visualized in 26 out of 54 (48.1%) women, and when seen its mean short-axis thickness was 7.5 mm. The anteroposterior thickness varied directly with uterine angulation (P<.05). Endometrial attenuation was significantly less than that of the myometrium (P<.05). Endometrial thickness (short axis) and attenuation were inversely correlated to patient age and to years after menopause (P<.05). We believe that our findings will help prevent overdiagnosis of endometrial fluid or thickening in asymptomatic women.