title: Diverse molecular pathways in ovarian cancer and their clinical significance.
abstract: The origin of epithelial ovarian cancer remains unknown. It is believed to develop from ovarian surface epithelium, post-ovulatory inclusion cysts, endometriosis and more recently the fimbrial end of the fallopian tube. Molecular evidence suggests that ovarian cancer may progress both through a step-wise mutation process (low-grade pathway, type I), and a separate pathway with high genetic instability leading to rapid metastasis without an identifiable precursor lesion (high-grade pathway, type II). This sub-classification explains the clinical and biological heterogeneity of ovarian cancer and highlights the importance for developing novel diagnostics and therapeutics targeting two unique diseases-type I and type II ovarian carcinomas. This article summarises current knowledge of the aetiology and molecular basis of ovarian cancer and discusses recent clinical strategies for type I and type II disease.
authors.affiliation: Discipline of Obstetrics and Gynaecology, Research Centre for Reproductive Health, Adelaide University, Adelaide, Australia.
authors.forename: Carmela
authors.initials: C
authors.lastname: Ricciardelli
authors.forename: Martin K
authors.initials: MK
authors.lastname: Oehler
mesh_terms: D042241:Early Diagnosis; D005260:Female; D006801:Humans; D009154:Mutation; D010051:Ovarian Neoplasms / Q000209:etiology* / Q000235:genetics / Q000473:pathology / Q000628:therapy; D010053:Ovary / Q000473:pathology*