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  • Title: Transvaginal sonography of postmenopausal ovaries with pathologic correlation.
    Author: Fleischer AC, McKee MS, Gordon AN, Page DL, Kepple DM, Worrell JA, Jones HW, Burnett LS, James AE.
    Journal: J Ultrasound Med; 1990 Nov; 9(11):637-44. PubMed ID: 2258995.
    Abstract:
    The sonographic appearance of 67 ovaries in 34 postmenopausal women who underwent preoperative transvaginal sonography (TVS) was correlated to findings on pathologic examination. Both ovaries were detected by TVS in 60% of the women examined; in 85%, at least one ovary was detected. The size of the normal, sonographically visualized postmenopausal ovary was 2.2 +/- 0.7 cm in transverse, 1.2 +/- 0.3 cm in anteroposterior, and 1.1 +/- 0.6 cm in longitudinal axes, with an average volume of 2.6 +/- 2.0 cm3. The average size of ovaries that were not detected by TVS was 0.7 x 0.4 cm (range, 0.3 to 1.3 cm); most of these (five of six) were atrophic on pathologic exam. The difference between actual and sonographically measured size was negligible (TVS overestimated by 0.3 cm). Four simple cysts that ranged from 0.5 to 3.5 cm were found by TVS and confirmed pathologically, as were three benign serous cystadenomas that ranged from 2.5 to 3.5 cm, one 3 x 6-cm tubal carcinoma, and one 1 X 4-cm paratubal cyst. TVS missed a 6-cm dermoid, a 2.5-cm cystadenoma, a 0.8-cm Sertoli cell tumor, and a 0.5-cm fibrothecoma that were nonpalpable but that were found on pathologic examination. None of the missed lesions were palpable preoperatively. The positive predictive value was 94% for detection of an ovarian mass; the negative predictive value for exclusion of an ovarian lesion was 92%. It is concluded that TVS can accurately delineate the ovaries in most, but not all, postmenopausal women and that only rarely will pathologic lesions not be detected by TVS.
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