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Med Oncol. 2012 Dec;29(4):2944-8. doi: 10.1007/s12032-012-0194-z. Epub 2012 Mar 10.

Pure dysgerminoma of the ovary: a single institutional experience of 65 patients.

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Department of Oncology, King Faisal Specialist Hospital, Riyadh, Saudi Arabia.


Ovarian dysgerminomas are rare entity and account for only about 2% of all malignant ovarian neoplasm. The aim of this study was to evaluate the clinicopathologic characteristics, treatment, long-term survival, and fertility outcome of women diagnosed with ovarian dysgerminoma at our institution. Sixty-five women with histologically proven pure ovarian dysgerminoma were identified in this retrospective study. They were treated at King Faisal Specialist Hospital, Riyadh; Saudi Arabia between 1976 and 2010. The median age was 20 years. The most frequent symptoms at presentation were abdominal pain and abdominal/pelvic mass. Thirty-three patients (50.7%) presented with stage I, 2 (3.1%) had stage II, 22 (33.8%) had stage III, and 4 (6.2%) had stage IV (4 unknown stage). Unilateral oophorectomy was performed in 50 patients (76.9%) while bilateral oophorectomy┬▒hysterectomy was done in 12 patients (18.4%). Three patients had biopsy only. Forty patients (61.5%) received only chemotherapy, and 4 patients (6.2%) received radiotherapy alone. Recurrence was observed in 6 patients (9.2%). With median follow-up of 54 months, the 5-year disease-free survival (DFS) and overall survival (OS) were 88 and 95%, respectively. On univariate analysis, adjuvant chemotherapy was independent better prognostic factor for DFS (HR, 0.09; 95% CI, 0.01-0.84; P=0.034). Of the 50 patients treated with fertility-sparing surgery, 16 patients (32%) achieved pregnancy with 14 live births. Patients with pure ovarian dysgerminoma have excellent long-term outcome. There is no difference at outcome between fertility-sparing and nonconservative surgeries. Adjuvant chemotherapy was associated with significant improvement in DFS. It is possible to maintain good reproductive function after conservative surgery followed by chemotherapy in our series.

[Indexed for MEDLINE]

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