Ovarian Epithelial Neoplasia

Benign ovarian cysts and surface epithelial neoplasms are among the most common conditions affecting the ovary. Diagnostic criteria distinguishing cysts from benign surface epithelial neoplasia are discussed. Additionally, this chapter addresses some malignant conditions of the ovary that have overlapping features with benign processes. Each surface epithelial tumor subtype has benign, borderline, and malignant entities described. In a question and answer format, this chapter outlines diagnostic criteria distinguishing these conditions within a histotype. Finally, some surface epithelial neoplasia can mimic other histotypes including conditions not primary to the ovary. Questions outlined in this chapter address ways to approach accurate histotyping and classification.