Clinicopathological determinants of recurrence risk and survival in mucinous ovarian carcinoma

Hollis, R. L. et al. (2021) Clinicopathological determinants of recurrence risk and survival in mucinous ovarian carcinoma. Cancers, 13(22), e5839. (doi: 10.3390/cancers13225839) (PMID:34830992) (PMCID:PMC8616033)

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Mucinous ovarian carcinoma (MOC) is a unique form of ovarian cancer. MOC typically presents at early stage but demonstrates intrinsic chemoresistance; treatment of advanced-stage and relapsed disease is therefore challenging. We harness a large retrospective MOC cohort to identify factors associated with recurrence risk and survival. A total of 151 MOC patients were included. The 5 year disease-specific survival (DSS) was 84.5%. Risk of subsequent recurrence after a disease-free period of 2 and 5 years was low (8.3% and 5.6% over the next 10 years). The majority of cases were FIGO stage I (35.6% IA, 43.0% IC). Multivariable analysis identified stage and pathological grade as independently associated with DSS (p 0.001 and p 0.001). Grade 1 stage I patients represented the majority of cases (53.0%) and demonstrated exceptional survival (10 year DSS 95.3%); survival was comparable between grade I stage IA and stage IC patients, and between grade I stage IC patients who did and did not receive adjuvant chemotherapy. At 5 years following diagnosis, the proportion of grade 1, 2 and 3 patients remaining disease free was 89.5%, 74.9% and 41.7%; the corresponding proportions for FIGO stage I, II and III/IV patients were 91.1%, 76.7% and 19.8%. Median post-relapse survival was 5.0 months. Most MOC patients present with low-grade early-stage disease and are at low risk of recurrence. New treatment options are urgently needed to improve survival following relapse, which is associated with extremely poor prognosis.

Item Type:Articles
Keywords:Ovarian cancer, mucinous, survival, prognosis, relapse.
Glasgow Author(s) Enlighten ID:Inman, Professor Gareth
Authors: Hollis, R. L., Stillie, L. J., Hopkins, S., Bartos, C., Churchman, M., Rye, T., Nussey, F., Fegan, S., Nirsimloo, R., Inman, G. J., Herrington, C. S., and Gourley, C.
College/School:College of Medical Veterinary and Life Sciences > School of Cancer Sciences
Journal Name:Cancers
ISSN (Online):2072-6694
Copyright Holders:Copyright © 2021 The Authors
First Published:First published in Cancers 13(22):e5839
Publisher Policy:Reproduced under a Creative Commons licence

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