Neutrophil to lymphocyte ratio for preoperative diagnosis of uterine sarcomas: A case-matched comparison

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Kim, H. S.; Han, K. H.; Chung, H. H.; Kim, J. W.; Song, Y. S.; Kang, S. B.; Park, N. H.

Issue Date
EJSO; Vol.36 7; 691-698
Neutrophil to lymphocyte ratioLeiomyomaAdenomyosisUterine sarcomasSerum CA-125 levels
Background: Uterine sarcomas are rare among all uterine malignancies, and frequently misdiagnosed as benign uterine diseases such as leiomyoma and adenomyosis because of lack of feasible tools for the preoperative diagnosis. Although some studies have suggested the role of serum CA-125 levels for the preoperative diagnosis, the efficacy is controversial. Since malignancy is known to be associated with systemic inflammation which leads to hematological alteration, we compared the efficacy for the preoperative diagnosis of uterine sarcomas between the neutrophil to lymphocyte ratio (NLR) and serum CA-125 levels using a case-match comparison. Methods: From November 2004 to December 2008, 55 patients with carcinosarcoma (n = 21), leiomyosarcoma (n = 20) and endometrial stromal sarcoma (n = 14) were matched to 330 patients with leiomyoma (n = 165) and adenomyosis (n = 165) in terms of age at diagnosis, body mass index and uterine volume. Results: The receiver operating characteristic curve showed the best cut-off values of the NLR (>= 2.12) and serum CA-125 levels (>= 27.5 U/ml) for the preoperative diagnosis of uterine sarcomas, demonstrating that the NLR was more powerful for the preoperative diagnosis of uterine sarcomas than serum CA-125 levels (sensitivity, 74.5% vs. 52.3%; specificity, 70.3% vs. 50.5%; positive predictive value, 29.5% vs. 15.1%; negative predictive value, 94.3% vs. 86.5%; accuracy, 60.6% vs. 49.6%; p<0.05). Furthermore, the NLR reflected recurrence and progression more accurately than serum CA-125 levels in patients with uterine sarcomas. Conclusions: These findings suggest that the NLR may be more useful than serum CA-125 levels as a cost-effective tool for the preoperative diagnosis in patients with uterine sarcomas. (C) 2010 Elsevier Ltd. All rights reserved.
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College of Medicine/School of Medicine (의과대학/대학원)Obstetrics & Gynecology (산부인과전공)Journal Papers (저널논문_산부인과학전공)
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