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Journal of Ultrasound in Medicine, Vol 14, Issue 12 887-893, Copyright © 1995 by American Institute of Ultrasound in Medicine
Transvaginal hysterosonography: comparison with biopsy in the evaluation of postmenopausal bleeding
T. J. Dubinsky, H. R. Parvey, G. Gormaz, M. Curtis and N. Maklad
Department of Radiology, University of Texas-Houston, LBJ General Hospital 77026, USA.
Transvaginal sonography is a highly sensitive method for detecting
endometrial thickening. In the postmenopausal woman such thickening is
non-specific and can be due to hyperplasia, polyps, submucosal endoluminal
fibroids, or carcinoma. In such cases, transvaginal sonography combined
with transvaginal hysterosonography may assist in the workup of these
endometrial processes. We compared the combination of transvaginal
sonography and transvaginal hysterosonography to aspiration endometrial
biopsy in the evaluation of women with postmenopausal bleeding. We
prospectively performed transvaginal sonography in 148 women within 1 month
(range, 10 days to 2 months) after having had an aspiration endometrial
biopsy. Transvaginal hysterosonography was then performed in 81 of these
women who had endometrial thickness greater than 5 mm. In these 81
patients, transvaginal hysterosonography confirmed 45 lesions: 23
pedunculated endometrial masses and 22 inhomogeneous sessile lesions. Women
with positive transvaginal hysterosonography examinations then underwent
hysteroscopy or hysterectomy, whereas women with negative examinations were
followed conservatively. Forty-one of the 45 cases with endoluminal masses
on transvaginal hysterosonography had false-negative aspiration biopsies.
Of the five (11%) lesions that were malignant, three resulted in
false-negative biopsies, one biopsy revealed hyperplasia, and only one
biopsy was true positive. All 36 women with negative transvaginal
hysterosonography examinations also had negative biopsy findings. We
conclude that the combination of transvaginal sonography and transvaginal
hysterosonography is more sensitive in the detection of endometrial
pathologic lesions than is endometrial biopsy, and that transvaginal
sonography or transvaginal hysterosonography should be included in the
evaluation of women with postmenopausal bleeding.
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