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Prognosis in Patients With Serous and Mucinous Stage I Borderline Ovarian Tumors
  1. Taejong Song, MD*,
  2. Yoo-Young Lee, MD,
  3. Chel Hun Choi, MD,
  4. Tae-Joong Kim, MD,
  5. Jeong-Won Lee, MD, PhD,
  6. Byoung-Gie Kim, MD, PhD and
  7. Duk-Soo Bae, MD, PhD
  1. *Department of Obstetrics and Gynecology, CHA Gangnam Medical Center, CHA University; and
  2. Department of Obstetrics& Gynecology, Samsung Medical Center, Sungkyunkwan University, Seoul, Korea.
  1. Address correspondence and reprint requests to Duk-Soo Bae, MD, PhD, Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Irwon-Dong, Gangnam-gu, Seoul, 135-710, Korea. E-mail:


Introduction The purpose to this study was to compare the clinicopathologic characteristics and prognosis of patients with serous stage I borderline ovarian tumors (BOTs) to patients with mucinous stage I BOTs.

Methods This was a retrospective cohort series of patients with stage I BOTs diagnosed and treated between 1995 and 2009 at a single institution. The records were analyzed for patients’ clinicopathologic information. The recurrence rates were compared using the Kaplan-Meier method.

Results During the study period, 198 patients (73.6%) with mucinous BOTs and 71 patients (26.4%) with serous BOTs were identified. Patients with serous tumors tended to be asymptomatic (53.5%) and frequently had elevated CA-125 levels and positive results from peritoneal cytology. Conversely, mucinous tumors were more related to the presence of symptoms (70.7%), elevated CA-19-9 levels, and pseudomyxoma and were larger tumors with a mean size of 15.6 cm. After a median follow-up of 56.5 months, 15 patients had developed 16 recurrences. Among these, 14 borderline recurrences developed in 6 patients with mucinous tumors and in 7 patients with serous tumors, and 2 invasive recurrences developed in only patients with mucinous tumors. No difference in recurrence rate between mucinous and serous tumors was observed. In addition, no disease-related death occurred.

Conclusions Our study found that, although distinct differences in clinical and pathologic characteristics between stage I mucinous and serous BOTs are seen, result from tumor histology was not associated with disease prognosis.

  • Borderline ovarian tumor
  • Mucinous tumor
  • Serous tumor

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  • The authors have no conflicts of interest to declare.