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Teratomas

Gonadal teratoma behavior depends upon tumor site and patient age

Published in Health and Medicine Week, March 8th, 2004

The typical ovarian teratoma derives from a benign germ cell in a parthenogenetic-like fashion, whereas the typical postpubertal testicular example derives from a malignant germ cell, researchers say.

According to published research from the United States, "Teratomas of the ovary and testis are confusing because, despite histologic similarities, they exhibit different biologic behaviors, depending mostly on the site of occurrence and the age of the patient."

"Thus, most ovarian teratomas are benign, and most testicular teratomas are malignant, with the exception of those occurring in children. These general statements, however, do not hold true for...

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