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Prognostic Significance of Supradiaphragmatic Lymphadenopathy Identified on Preoperative Computed Tomography Scan in Patients Undergoing Primary Cytoreduction for Advanced Epithelial Ovarian Cancer
  1. Valentin Kolev, MD*,
  2. Svetlana Mironov, MD,
  3. Oleg Mironov, MD,
  4. Nicole Ishill, MS,
  5. Chaya S. Moskowitz, PhD,
  6. Ginger J. Gardner, MD*,
  7. Douglas A. Levine, MD*,
  8. Hedvig Hricak, MD, PhD,
  9. Richard R. Barakat, MD* and
  10. Dennis S. Chi, MD*
  1. * Gynecology Service, Departments of Surgery,
  2. Radiology, and
  3. Epidemiology and Biostatistics, Memorial Sloan-Kettering Cancer Center, New York, NY.
  1. Address correspondence and reprint requests to Dennis S. Chi, MD, Gynecology Service, Department of Surgery, Memorial Sloan-Kettering Cancer Center, 1275 York Ave, MRI-1026, New York, NY 10065. E-mail: gynbreast{at}mskcc.org.

Abstract

Introduction: It has been hypothesized that the supradiaphragmatic lymph nodes serve as the principal nodes for lymphatic drainage of the entire peritoneal cavity. The purpose of this study was to determine the prognostic significance of enlarged supradiaphragmatic nodes noted on preoperative computed tomographic (CT) scan in patients undergoing primary cytoreduction for advanced epithelial ovarian cancer (EOC).

Methods: We performed a retrospective chart review of all patients with stage III and IV EOC according to the International Federation of Gynecology and Obstetrics who had preoperative CT scans, including the supradiaphragmatic region, and had undergone primary cytoreductive surgery at our institution between January 1997 and June 2004. Scans were retrospectively reviewed by a radiologist. We defined supradiaphragmatic adenopathy as nodes measuring greater than 5 mm on the largest of 2 perpendicular measurements on the CT scan. The Fisher exact test was used to compare proportions. Kaplan-Meier curves and log-rank tests were used for the survival analyses.

Results: A total of 212 evaluable patients were identified. All underwent attempted primary cytoreduction followed by systemic chemotherapy. None had any supradiaphragmatic nodes removed at primary cytoreduction. With a median follow-up time of 52 months, median overall survival for the entire cohort was 48 months. Of 212 patients, 92 (43%) had supradiaphragmatic adenopathy. Median survival was 50 months for patients without adenopathy and 45 months for patients with adenopathy (P = 0.09). Of the 212 patients, 155 (73%) underwent optimal cytoreduction. In these patients, median survival was 55 months for the 91 without adenopathy and 50 months for the 64 patients with supradiaphragmatic adenopathy (P = 0.09).

Conclusions: We observed a trend toward worse survival in patients with enlarged supradiaphragmatic nodes. The prognostic impact of supradiaphragmatic adenopathy remains uncertain and deserves further study.

  • Supradiaphragmatic lymphadenopathy
  • Computed tomography
  • Cytoreduction
  • Epithelial ovarian cancer

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