Prognostic Impact of Port-Site Metastasis After Diagnostic Laparoscopy for Epithelial Ovarian Cancer Ovarian Cancer and Us OVARIAN CANCER and US Ovarian Cancer and Us

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Friday, July 15, 2016

Prognostic Impact of Port-Site Metastasis After Diagnostic Laparoscopy for Epithelial Ovarian Cancer



abstract

BACKGROUND:

This study was designed to evaluate the prevalence, morbidity, and prognostic impact of port-site metastasis (PSM) in patients with epithelial ovarian cancer (EOC) undergoing laparoscopy before subsequent primary debulking surgery (PDS).

METHODS:

All consecutive patients treated between 2000 and 2014, who had a laparoscopy followed by PDS, were extracted from our prospectively maintained database. All patients with histological examination of port-sites were included in this unicentric exploratory analysis.

RESULTS:

A total of 250 (25.5 %) of 982 patients with EOC underwent laparoscopy before PDS. Port-site resection was performed in those 214 (85.6 %) patients in whom a complete or almost complete resection with residuals ≤1 cm was achieved. Median interval between laparoscopy and PDS was 25 days. PSM was detected in 100 of 214 patients (46.7 %). Risk factors for PSM were higher tumor stage (odds ratio [OR] 13.5, 95 % confidence interval [CI] 2.9-62.0, p = 0.04), positive lymph node status (OR 3.0, 95 % CI 1.3-6.7, p = 0.009), and ascites >500 mL (OR 3.9, 95 % CI 1.5-10.0, p = 0.005). Wound healing disorders and postoperative morbidity were significantly higher in patients with PSM (Clavien-Dindo Classification grade 3-5: 41.0 vs. 14.9 %, p < 0.001). However, multivariate Cox-regression models did not identify PSM as independent prognostic factor.

CONCLUSIONS:

The prevalence of PSM after laparoscopy in EOC patients is considerably high. PSM had no impact on survival; however, PSM were associated with more postoperative complications and a higher surgical treatment burden. This should be balanced with the expected benefit when laparoscopy is considered for the management of EOC.

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