Comparison of the therapeutic efficacy and ovarian reserve between catheter-directed sclerotherapy and surgical excision for ovarian endometrioma

 Ja Ho Koo & Inha Lee & Kichang Han & Seok Kyo Seo & Man-Deuk Kim & Jae Kyung Lee & Joon Ho Kwon & Gyoung Min Kim & Junhyung Lee & Jong Yun Won

European Radiology 23 July 2020

Objectives To compare the efficacies of catheter-directed sclerotherapy (CDS) with 99% ethanol and surgery for ovarian endometrioma and their impact on the ovarian reserve.
Methods From January 2011 to June 2019, 71 patients who underwent surgical excision (n = 51) or CDS (n =20) for symp-tomatic ovarian endometriomas were reviewed. To analyze the effect on the ovarian reserve, serum anti-Müllerian hormone (AMH) levels were compared before and after the procedure. Symptoms, serum cancer antigen 125 (CA-125), lesion size, recurrence, hospitalization, and complications were reviewed retrospectively.
Results During a mean follow-up of 22.3 months (range, 6 to 94 months), no significant difference in symptom relief was found between CDS and surgery (95.0% [19/20] and 92.2% [47/51], respectively, p > 0.999). The hospital stay was shorter with CDS than with surgery (2.6 ± 0.6 days and 4.1 ± 0.5 days, respectively, p < 0.001). There was no significant difference in serum AMH levels before and after CDS (2.3 (interquartile range (IQR) 1.1–5.3) ng/mL and 2.6 (IQR 0.9–4.9) ng/mL, respectively, p = 0.243), but there was a significant decrease in serum AMH in the surgery group (3.0 (IQR 1.3–5.5) ng/mL and 1.6 (IQR 0.7–3.2) ng/mL, respectively, p < 0.001). CA-125 decreased in both CDS and surgery groups (p = 0.001 and < 0.001, respectively). Two minor complications occurred in the surgery group, while no complication was observed in the CDS group.
Conclusions The therapeutic efficacy of CDS appears to be comparable to that of surgical resection for ovarian endometrioma. Ovarian function was well-preserved, and a shorter hospital stay was required in patients who underwent CDS.
Key Points:  There was no significant difference in symptom relief between CDS and surgery (95.0% [19/20], 92.2% [47/51], respectively, p >0.999).
 No significant difference in serum AMH levels was seen before and after CDS (2.3 (1.1, 5.3)* ng/mL, 2.6 (0.9, 4.9)* ng/mL, respectively, p = 0.243), whereas serum AMH levels significantly decreased after surgical resection (3.0 (1.3, 5.5)* ng/mL, 1.6 (0.7, 3.2)* ng/mL, respectively, p <0.001). *Median (25 quartiles, 75 quartiles)
 The hospitalization period was shorter with CDS than with surgery (2.6 ± 0.6 days, 4.1 ± 0.5 days, respectively, p <0.001).

Keywords Sclerotherapy . Catheters . Ovary . Endometriosis . Ovarian reserve


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