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Clinical and Experimental Obstetrics & Gynecology  2021, Vol. 48 Issue (5): 1081-1088    DOI: 10.31083/j.ceog4805174
Original Research Previous articles | Next articles
Rapid rate of growth in adnexal masses, despite benign appearance on ultrasound, was associated with malignancy. A retrospective analysis of 48 consecutive cases from a single institution
Christina M. Moisidis-Tesch1, *(), Nicole Vedder1, Norman A. Ginsberg2
1Obstetrics and Gynecology Group Practice in Medicum and St. Josefs Hospital Wiesbaden, 65189 Wiesbaden, Germany
2Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University Medical Center, Chicago, IL 60611, USA
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Abstract  
Background: To compare the rate of malignancy in adnexal masses with benign appearance on ultrasound and low Risk of Malignancy Index (RMI) based on their rate of growth. Methods: All patients in our obstetrics and gynecology practice undergoing surgery between 2015 and 2020 for adnexal masses with only benign appearance on ultrasound were analyzed. Ultrasound findings of the adnexa up to 3 years prior to surgery, cancer antigen 125 (CA-125) levels and RMI were evaluated. Results: Patients ranged in age from 22 to 84. All adnexal masses appeared benign on ultrasound using International Ovarian Tumor Analysis (IOTA) Simple Rules. CA-125 levels ranged from 4 to 127 U/mL. The RMI ranged from 7 to 127 (200 is indicative of malignancy). Ultrasound findings up to three years prior to surgery were available for 43 patients. In 39 patients, the adnexal mass grew slowly, and the histopathology was benign. In 4 patients, the adnexal mass grew rapidly (increased in size by more than 50% or first appeared in 6–12 months prior to surgery), and all were found to have borderline or early stage ovarian/tubal carcinomas. The rate of malignancy was 9.3%. Conclusions: Despite benign appearance on ultrasound and low RMI, adnexal masses with a rapid rate of growth were associated with a risk of malignancy of 9.3%.
Key words:  Adnexal mass      Risk of malignancy index      IOTA Simple Rules      Benign ovarian mass      Adnexal ultrasound     
Submitted:  06 March 2021      Revised:  06 June 2021      Accepted:  22 June 2021      Published:  15 October 2021     
*Corresponding Author(s):  Christina M. Moisidis-Tesch     E-mail:  cmoisidis@sprintmail.com

Cite this article: 

Christina M. Moisidis-Tesch, Nicole Vedder, Norman A. Ginsberg. Rapid rate of growth in adnexal masses, despite benign appearance on ultrasound, was associated with malignancy. A retrospective analysis of 48 consecutive cases from a single institution. Clinical and Experimental Obstetrics & Gynecology, 2021, 48(5): 1081-1088.

URL: 

https://ceog.imrpress.com/EN/10.31083/j.ceog4805174     OR     https://ceog.imrpress.com/EN/Y2021/V48/I5/1081

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