Metastatic serous borderline ovarian tumor in an internal mammary lymph node: A case report and review of the literature

Background. Reports of supradiaphragmatic involvement of lymph nodes by ser ous borderline ovarian tumors are rare. Case. We describe the finding of metastatic tumor involving an internal mam mary lymph node in a 74-year-old patient with serous borderline ovarian tum or. The positive lymph node was found incidentally during cardiac surgery 7 years after excision of the patient's serous borderline ovarian tumor. The incidence and significance of pelvic, paraaortic, and supradiaphragmatic l ymph node involvement among women with borderline ovarian tumors is discuss ed. Conclusion. Supradiaphragmatic lymph node involvement can occur among women with serous borderline ovarian tumors. Borderline ovarian tumors should be included in the differential diagnosis of metastatic adenocarcinoma involv ing the supradiaphragmatic lymph nodes. (C) 2001 Academic Press.