Differential diagnosis of adnexal masses: Risk of malignancy index, ultrasonography, magnetic resonance imaging, and radioimmunoscintigraphy

P. O. Van Trappen, B. D. Rufford, T. D. Mills, S. A. Sohaib, J. A W Webb, A. Sahdev, M. J. Carroll, K. E. Britton, R. H. Reznek, I. J. Jacobs

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A risk of malignancy index (RMI), based on menopausal status, ultrasound (US) findings, and serum CA125, has previously been described and validated in the primary evaluation of women with adnexal masses and is widely used in selective referral of women from local cancer units to specialized cancer centers. Additional imaging modalities could be useful for further characterization of adnexal masses in this group of women. A prospective cohort study was conducted of 196 women with an adnexal mass referred to a teaching hospital for diagnosis and management. Follow-up data was obtained for 180 women; 119 women had benign and 61 women malignant adnexal masses. The sensitivity and specificity of specialist US, magnetic resonance imaging (MRI), radioimmunoscintigraphy (RS), and the RMI were determined. We identified a subgroup of women with RMI values of 25-1000 where the value of further specialist imaging was evaluated. Sensitivity and specificity for specialist US were 100% and 57%, for MRI 92% and 86%, and for RS 76% and 87%, respectively. Analysis of 123 patients managed sequentially, using RMI cutoff values of ≥25 and
    Original languageEnglish
    Pages (from-to)61-67
    Number of pages6
    JournalInternational Journal of Gynecological Cancer
    Volume17
    Issue number1
    DOIs
    Publication statusPublished - Jan 2007

    Keywords

    • Adnexal mass
    • MRI
    • Ovarian cancer
    • Risk of malignancy index
    • Ultrasonography

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