2016
DOI: 10.1038/bjc.2016.227
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Evaluating the risk of ovarian cancer before surgery using the ADNEX model: a multicentre external validation study

Abstract: Background:The International Ovarian Tumour Analysis (IOTA) group have developed the ADNEX (The Assessment of Different NEoplasias in the adneXa) model to predict the risk that an ovarian mass is benign, borderline, stage I, stages II–IV or metastatic. We aimed to externally validate the ADNEX model in the hands of examiners with varied training and experience.Methods:This was a multicentre cross-sectional cohort study for diagnostic accuracy. Patients were recruited from three cancer centres in Europe. Patien… Show more

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Cited by 79 publications
(94 citation statements)
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“…In general, the results confirm good polytomous discrimination from the first study by Van Calster et al, and were comparable to later ADNEX model evaluation studies (Table 6) (Van Calster et al, 2014, Araujo et al, 2016, Meys et al, 2016, Sayasneh et al, 2016). Both polytomous discrimination indexes (PDI) were > 0.2, which in this case is a threshold for a random performance.…”
Section: Resultssupporting
confidence: 87%
“…In general, the results confirm good polytomous discrimination from the first study by Van Calster et al, and were comparable to later ADNEX model evaluation studies (Table 6) (Van Calster et al, 2014, Araujo et al, 2016, Meys et al, 2016, Sayasneh et al, 2016). Both polytomous discrimination indexes (PDI) were > 0.2, which in this case is a threshold for a random performance.…”
Section: Resultssupporting
confidence: 87%
“…As a multiclass prediction model, ADNEX not only calculates the likelihood of malignancy in adnexal masses, but also divides this into the likelihood that the mass is borderline malignant, stage I primary invasive ovarian cancer, stage II–IV primary invasive ovarian cancer, or a metastasis in the ovary from another primary tumor [25]. The performance of ADNEX is at least as good as the performance of previous IOTA methods, as confirmed by external validation studies [26,27,28,29,30]. The ADNEX model is available online and in mobile applications ().…”
Section: Introductionmentioning
confidence: 96%
“…The six ultrasound-image parameters used in the ADNEX model are: lesion diameter in mm, solid tissue proportion, number of papillary projections, number of cysts (10 or more, yes or no), the presence or absence of acoustic shadows, and the presence or absence of ascites. The three clinical parameters used are type of medical centre (oncology vs other hospital), age of patient in years, and serum CA125 level in µml -1 in the blood [3]. Validation of the model was achieved using parameters collected by experienced ultrasound clinicians with a special interest in gynaecological ultrasonography, who were equivalent in experience and knowledge to UK radiology consultants (Education and Practical Standards Committee, European Federation of Societies for Ultrasound in Medicine and Biology (EFSUMB).…”
Section: -Ovarian Tumour Diagnosis Based On Adnex Modelmentioning
confidence: 99%
“…This less aggressive treatment often allows younger women to retain their fertility. Identification of metastatic ovarian cancers should, nevertheless, be treated in the same manner as the primary cancer [3] [4].…”
Section: -Ovarian Tumour Diagnosis Based On Adnex Modelmentioning
confidence: 99%
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