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  • Title: A population-based analysis of 1037 malignant ovarian tumors in the pediatric population.
    Author: Brookfield KF, Cheung MC, Koniaris LG, Sola JE, Fischer AC.
    Journal: J Surg Res; 2009 Sep; 156(1):45-9. PubMed ID: 19592022.
    Abstract:
    BACKGROUND: Concerns of malignant potential have impacted the utilization of ovarian salvage for treatment of ovarian masses in children. METHODS: The Surveillance, Epidemiology, and End Results (SEER) registry was analyzed for all females < or =19 y diagnosed with an ovarian tumor between 1973 and 2005. RESULTS: Overall, 1037 pediatric patients with ovarian tumors were identified. Approximately 61.7% of tumors occurred in patients 15 to 19 y old. The age-adjusted incidence of all malignant pediatric ovarian tumors in those < or =9 y was 0.102 versus 1.072 per 100,000 in those aged 10 to 19 y. The majority of cases (57.4%) present at an early localized stage. The predominant pathology was germ cell tumors in all age groups (77.4%). Overall 5- and 10-y survival rates are 91.7% and 91.4%, respectively. By multivariate analysis, advanced disease stage (HR 3.17, P<0.001), lack of surgery (HR 4.49, P =0.039), and poorly differentiated tumors (HR 3.40, P=0.011) were associated with worse outcomes. CONCLUSIONS: Malignant ovarian tumors are rare, particularly in patients under 5 y of age. Furthermore, the most common histologies are of low metastatic potential and carry high cure rates. Thus, the surgeon should implement ovarian-sparing strategies on the affected ovary unless a malignancy is clearly suspected and conserve the contralateral ovary in all children.
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