Serous Borderline Tumor (SBT)


D efinition A proliferative serous tumor of the ovary conferring a small (less than 5%) risk of adverse outcome.

Clinical Features

Epidemiology

  • The most common epithelial tumor of the ovary. Predominates in the fourth to sixth decades of life, but can be seen at virtually any age.

  • These tumors can be associated with endometriosis but more often are seen as part of a continuum merging with müllerian ovarian cortical inclusions.

  • There is no known relationship to BRCA, a familial syndrome or p53 mutations.

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