Assessment of protein biomarkers for preoperative differential diagnosis between benign and malignant ovarian tumors

Autor: Sandra Claes, Adriaan Vanderstichele, A.S. Van Rompuy, T Van Gorp, Jaak Billen, Jolien Ceusters, Gitte Thirion, Ignace Vergote, Dirk Timmerman, Thaïs Baert, An Coosemans, J. Oosterlynck, Wouter Froyman, A Van Hoylandt, R. Heremans, Tom Bourne, Dominique Schols, E.T.L. Achten, B. Van Calster, Chiara Landolfo
Rok vydání: 2020
Předmět:
Zdroj: Gynecologic Oncology. 159:811-819
ISSN: 0090-8258
Popis: Objective To estimate the diagnostic value of tumor and immune related proteins in the discrimination between benign and malignant adnexal masses, and between different subgroups of tumors. Methods In this exploratory diagnostic study, 254 patients with an adnexal mass scheduled for surgery were consecutively enrolled at the University Hospitals Leuven (128 benign, 42 borderline, 22 stage I, 55 stage II-IV, and 7 secondary metastatic tumors). The quantification of 33 serum proteins was done preoperatively, using multiplex high throughput immunoassays (Luminex) and electrochemiluminescence immuno-assay (ECLIA). We calculated univariable areas under the Receiver Operating Characteristic Curves (AUCs). To discriminate malignant from benign tumors, multivariable ridge logistic regression with backward elimination was performed, using bootstrapping to validate the resulting AUCs. Results CA125 had the highest univariable AUC to discriminate malignant from benign tumors (0.85, 95% confidence interval 0.79-0.89). Combining CA125 with CA72.4 and HE4 increased the AUC to 0.87. For benign vs borderline tumors, CA125 had the highest univariable AUC (0.74). For borderline vs stage I malignancy, no proteins were promising. For stage I vs II-IV malignancy, CA125, HE4, CA72.4, CA15.3 and LAP had univariable AUCs ≥0.80. Conclusions The results confirm the dominant role of CA125 for identifying malignancy, and suggest that other markers (HE4, CA72.4, CA15.3 and LAP) may help to distinguish between stage I and stage II-IV malignancies. However, further research is needed, also to investigate the added value over clinical and ultrasound predictors of malignancy, focusing on the differentiation between subtypes of malignancy.
Databáze: OpenAIRE