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Published on: May 20, 2014
Malignant ovarian germ cell tumors: clinico-pathological presentation and survival outcomes
Siriwan Tangjitgamol1, Jitti Hanprasertpong, Sumonmal Manusirivithaya
1Department of Obstetrics and Gynecology, Bangkok Metropolitan Administration Medical College and Vajira Hospital, 681 Samsen Road, Dusit District, Bangkok 10300, Thailand. siriwanonco@yahoo.com
Objective:
To evaluate clinico-pathological features, treatment, survival, and prognostic factors of patients with malignant ovarian germ cell tumors.
Design:
Descriptive study.
Setting:
Bangkok Metropolitan Administration Medical College and Vajira Hospital and Prince of Songkla University.
Population:
Malignant ovarian germ cell tumor patients treated between January 1996 and December 2007.
Methods:
Clinico-pathological data were collected. Patients with malignant tumors arising from benign cystic teratoma were excluded. Survival and potential prognostic factors were analyzed.
Main Outcome Measures:
Clinico-pathological features, survival.
Results:
One hundred and thirty patients were identified. The median age was 21 years (range, 4-44 years). The most common complaint was pelvic or abdominal mass (63%). Primary surgery was performed by a gynecologic oncologist in only 39.2% of cases. More than half (64.2%) had early stage disease (stages I-II) and the majority had conservative surgery (73.1%). The most common histopathology was dysgerminoma. Of 124 patients with available follow-up data, 22 did not receive adjuvant treatment; 1 had whole abdominal radiation; and 101 had chemotherapy. Of 89 patients who were evaluable for responses, 4 patients had progressive disease while 85 had complete response. The five-year progression-free survival (PFS) and overall survival (OS) were 82.4% [95% confidence interval (CI), 75.4-89.5%)] and 92.4% (95% CI, 87.6-97.2%), respectively. Only preoperative tumor marker elevation was a significant poor prognostic factor for PFS.
Conclusions:
Malignant ovarian germ cell tumors have a good prognosis with conservative surgical treatment. Chemotherapy is important. Elevated preoperative serum tumor markers are a poor prognostic factor for PFS.
