Diffuse adenomyosis: comparison of endovaginal US and MR imaging with histopathologic correlation.

Caroline Reinhold, C Reinhold, Reinhold C, McCarthy S, S Mccarthy, Shirley McCarthy, Bret PM, P M Bret, A Mehio, Mehio A, Atri M, Mostafa Atri, M Atri, R Zakarian, Zakarian R, Glaude Y, Y Glaude, L Liang, Liang L, Seymour RJ, R. J. Seymour
Radiology · 1996 · vol. 199(1) , pp. 151–158 · doi:10.1148/radiology.199.1.8633139 · PMID:8633139 · W2157666779
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Endovaginal ultrasound and MR imaging showed similar accuracy in diagnosing uterine adenomyosis, with sensitivities of 89% and specificities of 89% for both modalities.

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Abstract

PURPOSE: To compare the accuracy of endovaginal ultrasound (US) and magnetic resonance (MR) imaging in the diagnosis of adenomyosis. MATERIALS AND METHODS: The authors prospectively studied 119 consecutive patients undergoing hysterectomy. The endovaginal US scans and MR images were interpreted independently in a double-blind fashion. Imaging findings were compared with those at histopathologic examination. RESULTS: At histopathologic examination, adenomyosis was found in 28 of the 119 patients (24%). Sensitivity and specificity was 89% for endovaginal US and 89% for MR imaging. The positive predictive value was 71% for US and 65% for MR imaging. The negative predictive value was 96% for US and 95% for MR imaging. There was no statistically significant difference between the sensitivities (P = .65) and specificities (P = .75) of endovaginal US and MR imaging. The mean junctional zone (JZ) thickness on MR images in patients with and without proved adenomyosis was 15.0 mm +/- 4.9 and 7.7 mm +/- 3.3, respectively (P or = 12 mm. CONCLUSION: Endovaginal US was as accurate as MR imaging in the diagnosis of uterine adenomyosis. Use of a JZ thickness of > or= 12 mm should further optimize the diagnostic accuracy of MR imaging.

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Condition tags

endometriosisadenomyosis

MeSH descriptors

Endometriosis Uterine Diseases Double-Blind Method Endometriosis Endometriosis Endometriosis Female Humans Hysterectomy Logistic Models Magnetic Resonance Imaging Magnetic Resonance Imaging Middle Aged Myometrium Myometrium Predictive Value of Tests Preoperative Care Prospective Studies ROC Curve Sensitivity and Specificity

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