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Up to: Yolk sac tumor · Malignant non-dysgerminomatous germ cell tumor of ovary
Ovarian yolk sac tumor
A usually rapidly growing malignant germ cell tumor arising from the ovary. It usually occurs in children and adolescents. Signs and symptoms include abdominal pain and a large abdominal or pelvic mass. The serum alpha-fetoprotein is almost always elevated preoperatively. Morphologically, there is marked heterogeneity due to numerous patterns of differentiation coexisting in the same tumor. The most common pattern is reticular.
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Childhood ovarian yolk sac tumor 0 trials