• Pierre Blanchard, Anne Plantade, Cécile Pagès, Pauline Afchain, Christophe Louvet, Christophe Tournigand, and Aimery de Gramont.
• Service d'Oncologie Médicale, Hôpital Saint Antoine, 184 rue du Faubourg Saint Antoine, 75012, Paris, France. blanchard.pierre@gmail.com
• Gynecol. Oncol. 2007 Jan 1; 104 (1): 41-5.

BackgroundRelapses of epithelial ovarian carcinoma (EOC) have a poor prognosis. Isolated lymph node relapses (ILNR) are considered of relatively good prognosis with intensive therapy.MethodsThis retrospective study aimed to describe incidence, characteristics, outcomes and prognostic factors of ILNR treated over 15 years.ResultsTwenty-seven patients (4.2%) experienced an ILNR among 640 patients. Median age was 59 years, tumour stages included stage I (n=4), II (n=5), III (n=15) and IV (n=3). After initial optimal treatment, median progression-free survival (PFS) was 26 months. Sites of relapse were retroperitoneum (n=15), left supraclavicular (n=7), mediastinum (n=4), iliac (n=4) and inguinal (n=3). ILNR locations were unique in 63% of patients (n=17) and multiple in 37% (n=10). Treatment modalities were surgery in eight patients (30%), chemotherapy in 15 (55%) and radiotherapy in 5 patients (18%), alone or in combination. Seven patients without tumour-related symptoms (26%) were not treated. Median overall survival (OS) after ILNR was 26 months. Median OS from initial diagnosis was 68 months. 25% of patients had a very long survival (>100 months), independent of their initial staging or PFS. There was no difference in 2-year survival after ILNR between the groups of early relapse (before 24 months) and late relapse (after 24 months). In the seven non-treated patients, median OS was 91 months.ConclusionILNR is a rare event in EOC. Time to relapse may not have its usual prognostic value. Immediate or delayed therapy should be discussed in case of asymptomatic ILNR.

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