• Emsal Pinar Topdagi Yilmaz, Yunus Emre Topdagi, Ragip Atakan Al, and Yakup Kumtepe.
• Department of Gynecology and Obstetrics, Atatürk University School of Medicine, Erzurum, Turkey.
• J Chin Med Assoc. 2020 Jun 1; 83 (6): 577-581.

BackgroundEndometriosis is a pelvic inflammatory process, and hormonal, environmental, and genetic factors play a role in its etiopathogenesis; especially, deep pelvic endometriosis exhibits an extensive anatomical distribution. In the present study, we evaluated the contribution of routinely measured hematological parameters to the diagnosis as the number of endometriotic nodule localization increases, when evaluated with C-reactive protein (CRP) and carbohydrate antigen (CA) 125.MethodsThe present study included patients with histopathologically confirmed diagnosis of endometriosis who underwent surgery at our hospital between January 2007 and December 2018. Their medical records were examined retrospectively.ResultsIn total, 205 patients were included in the study, of which 129 patients (62.9%) with ovarian endometrioma and 76 patients (37.1%) with deep infiltrative endometriosis were assigned to Group 1 and Group 2, respectively, and the two groups were compared. Endometriotic nodules were observed in several localizations in 71 patients (34.6%) of the 205 patients with endometriosis. Pelvic nodules were grouped as per their four different localizations: uterosacral, recto-vaginal, bladder, and ureteral. Because the anatomical localization of endometriotic nodules increased in the pelvis, the variability in the levels of CA 125 and CRP as well as hematological parameters was examined. There were significant differences in hemoglobin (p < 0.036), CA 125 (p < 0.000), and CRP (p < 0.007) levels between patients with nodules in ≤2 localizations and those with nodules in ≥3 localizations.ConclusionOur study included a total of 205 patients. There was a significant difference in the CRP, CA 125, and hemoglobin levels between Group 1 and Group 2, but it was concluded that coexistence of the endometriotic nodule had no effect on the other hematological parameters. For this purpose, prospective studies with a larger number of patients are needed.

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