Association Between Ovarian Endometrioma And Deep Infiltrating Endometriosis

RBGO (Revista Brasileira de Ginecologia e Obstetrícia)

William Kondo - Reitan Ribeiro - Carlos Henrique Trippia - Monica Tessmann Zomer

Purpose: To evaluate the association between ovarian endometrioma and the presence of deep infiltrating endometriosis (DIE) lesions in a sample of women in the South of Brazil.

Methods: A retrospective study was conducted in all women undergoing surgical treatment of endometriosis from January 2010 to June 2012. Patients were divided into 2 groups according to the presence or not of ovarian endometrioma. Patients presenting an ovarian endometrioma were subsequently divided into 2 groups according to the diameter of the endometrioma (<40mm and ≥40mm). The following parameters were compared between the groups: Ca-125 level, size of the endometrioma, presence and number of deep lesions. The statistical analysis was performed with STATISTICA version 8.0 using Fisher's exact test, Student's t-test and Mann-Whitney test, when needed. p values of <0.05 were considered statistically significant.

Results: During the study period, a total of 201 women underwent laparoscopic surgical treatment of endometriosis. Fifty-five patients (27.9%) presented ovarian endometrioma and 180 patients (89.5%) presented DIE confirmed by pathologic examination. Women presenting an ovarian endometrioma had higher Ca-125 levels (39.5 vs. 24.1U/ml; p=0.003) and stronger association with the presence of DIE lesions (98.2% vs. 86.2%; p=0.01) and intestinal DIE (57.1% vs. 37.9%; p=0.01). There was no difference between the groups with endometriomas <40mm and ≥40mm.

Conclusions: Ovarian endometrioma is a marker for the presence of DIE lesions, including intestinal DIE.



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