Ultrasound Scoring of Endometrial Pattern for Fast-track Identification or Exclusion of Endometrial Cancer in Women with Postmenopausal Bleeding

Margit Dueholm, Ina Marie Dueholm Hjorth, Katja Dahl, Estrid Stær Hansen, Gitte Ørtoft

    20 Citationer (Scopus)

    Abstract

    STUDY OBJECTIVE: To evaluate the risk of endometrial cancer (REC) scoring system for the prediction of high and low probability of endometrial cancer (EC) in women with postmenopausal bleeding (PMB).

    DESIGN: A prospective study (Canadian Task Force classification II-1).

    SETTING: An academic hospital.

    PATIENTS: Nine hundred fifty consecutive patients with PMB underwent transvaginal ultrasonography (TVS) and REC scoring between November 2013 and December 2015.

    INTERVENTIONS: Obstetrics and gynecology residents supervised by trained physicians scored endometrial patterns according to the previously established REC scoring system. The reference standard was endometrial samples, endometrial thickness (ET, 4-4.9 mm), operative hysteroscopy or hysterectomy (ET ≥5 mm), and 1-year follow-up in all patients presenting with ET <4 mm. Diagnostic performance for the prediction of probability of malignancy was assessed using the REC scoring system.

    MEASUREMENTS AND MAIN RESULTS: The area under the receiver operating characteristic curve of the TVS REC scoring system was 97% (95% confidence interval [CI], 95%-98%) for the prediction of malignancy. In 656 patients with ET ≥4 mm, REC scoring effectively predicted a high probability of malignancy with sensitivity (95% confidence interval) of 92% (95% CI, 87%-95%) and specificity of 94% (95% CI, 91%-96%). An REC score of 0 was present in 206 (32%) patients with ET ≥4 mm and was associated with a low negative likelihood ratio of 0.026 for EC. There were only 7 patients with EC/atypical hyperplasia among these 206 patients.

    CONCLUSION: The REC scoring system identified or ruled out most ECs, clearly showing that more specific image analysis at first-line TVS can accelerate the diagnosis of EC in patients with PMB and may allow for improved selection of second-line strategies in patients with ET ≥4 mm.

    OriginalsprogEngelsk
    TidsskriftJournal of minimally invasive gynecology
    Vol/bind26
    Udgave nummer3
    Sider (fra-til)516-525
    ISSN1553-4650
    DOI
    StatusUdgivet - 1 mar. 2019

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