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Clinical and Experimental Obstetrics & Gynecology  2021, Vol. 48 Issue (4): 901-906    DOI: 10.31083/j.ceog4804142
Original Research Previous articles | Next articles
The role of platelet-to-lymphocyte ratio and neutrophil-to-lymphocyte ratio as a supplemental tool for differential diagnosis of uterine myoma and sarcoma
Yoon Young Jeong1, Eun Ji Lee1, Eun Byeol Cho1, Jung Min Ryu1, *, †(), Youn Seok Choi1, *, †()
1Department of Obstetrics and Gynecology, Catholic University of Daegu School of Medicine, 42472 Daegu, South Korea
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Abstract  
Background: The purpose of this study was to investigate whether the neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) can be used as supplemental tools to differentiate between uterine myomas and sarcomas. Methods: From January 2000 to May 2020, patients diagnosed with uterine sarcoma or myoma after surgery at the Catholic University Hospital of Daegu were enrolled in the study. The age and preoperative hematologic findings including hemoglobin, white blood cell count, neutrophils, lymphocytes, platelet counts and lactate dehydrogenase were retrospectively investigated. Results: A total of 366 patients, including 40 uterine sarcoma patients and 326 uterine myoma patients, were included in the study. Among the hematologic findings, NLR and PLR showed statistically significant differences between uterine sarcoma and myoma. The probability of sarcoma was high when NLR was ≥2.6 and PLR was ≥150.0. When NLR was ≥2.6, the odds ratio of uterine sarcoma risk was 9.761 (95% confidence interval [CI]: 3.950–24.120, P < 0.001). When PLR was ≥150, the odds ratio of uterine sarcoma risk was 3.502 (95% CI: 1.528–8.027, P = 0.003). If NLR was above their cut-offs, the sensitivity of uterine sarcoma diagnosis was 60% and specificity was 83.4%. Identically, PLR was 60% and 73.3%, respectively. Conclusion: NLR and PLR are useful supplemental tools for the differential diagnosis of uterine myoma and sarcoma. Therefore, more expensive and accurate imaging studies, such as magnetic resonance imaging, can be more effectively recommended when these hematologic findings are used together with pelvic ultrasonography.
Key words:  Uterine neoplasm      Leiomyoma      Uterine sarcoma      Neutrophil-to-lymphocyte ratio (NLR)      Platelet-to-lymphocyte ratio (PLR)     
Submitted:  07 April 2021      Revised:  01 May 2021      Accepted:  14 May 2021      Published:  15 August 2021     
*Corresponding Author(s):  drcys@cu.ac.kr (Youn Seok Choi); medgirl87@naver.com (Jung Min Ryu)   
About author:  These authors contributed equally.

Cite this article: 

Yoon Young Jeong, Eun Ji Lee, Eun Byeol Cho, Jung Min Ryu, Youn Seok Choi. The role of platelet-to-lymphocyte ratio and neutrophil-to-lymphocyte ratio as a supplemental tool for differential diagnosis of uterine myoma and sarcoma. Clinical and Experimental Obstetrics & Gynecology, 2021, 48(4): 901-906.

URL: 

https://ceog.imrpress.com/EN/10.31083/j.ceog4804142     OR     https://ceog.imrpress.com/EN/Y2021/V48/I4/901

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