PurposeGiven a 10% malignancy rate in pediatric ovarian masses, what preoperative factors are helpful in distinguishing those at higher risk to risk stratify accordingly?MethodsAfter institutional review board approval (IRB#022008-095), a 15½-year retrospective review of operative ovarian cases was performed.ResultsA total of 424 patients were identified, with a mean age 12.5 years (range, 1 day to 19 years), without an age disparity between benign (12.54 years, 89%) and malignant (11.8 years, 11%)...