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Ovarian Cancer

Ovarian Cancer

8 April 2019

Introduction

Ovarian cancer is a malignant tumour formed in the ovaries. It is the sixth commonest cancer among females in Hong Kong and accounted for 3.8% of all new cancer cases in females in 2016.

Incidence

In 2016, 585 new cases of ovarian cancer were diagnosed and the crude incidence rate was 14.8 per 100000 female population. The age-standardised incidence rate was 10.4 per 100000 standard population.

Number of new cases and crude incidence rate of ovarian cancer, 1983-2000 (View)

Number of new cases and crude incidence rate of ovarian cancer, 2001-2016 (View)

Mortality

Ovarian cancer is the seventh leading cause of female cancer deaths in Hong Kong. In 2017, a total of 218 women died from this cancer, accounting for 3.7% of all cancer deaths in females. The crude death rate of ovarian cancer was 5.5 per 100000 female population. The age-standardised death rate of ovarian cancer was 3.1 per 100000 standard population. 

Number of registered deaths and crude death rate of ovarian cancer, 1981-2000 (View)

Number of registered deaths and crude death rate of ovarian cancer, 2001-2017 (View)

Trends of incidence and mortality

The age-standardised incidence rate of ovarian cancer had an upward trend between 1983 and 2016. However, the age-standardised death rate had no significant trend between 1981 and 2017.

Age-standardised incidence and death rates* of ovarian cancer, 1981-2017

Age-standardised incidence and death rates of ovarian cancer, 1981-2017

Notes: * Age-standardised rates are compiled based on the world standard population specified in GPE Discussion Paper Series: No.31, EIP/GPE/EBD, World Health Organization, 2001.
    Data in the above charts from 1996 onwards are compiled based on the population estimates under the "resident population" approach instead of the "extended de facto" approach. 
   

Classification of diseases and causes of death is based on the International Statistical Classification of Diseases and Related Health Problems (ICD) 10th Revision from 2001 onwards. Figures from 2001 onwards may not be comparable with figures for previous years which were compiled based on the ICD 9th Revision.

Figures from 2001 onwards only include ovarian cancer while figures for previous years include ovarian and other uterine adnexal cancers.

Sources:   Census and Statistics Department
Department of Health
Hong Kong Cancer Registry, Hospital Authority



Ovarian cancer corresponds to codes 183 in ICD-9 and C56 in ICD-10.


Related information

Information for Health Professionals – Recommendations on Prevention and Screening for Ovarian Cancer

Cancer Prevention Series 10 – Ovarian Cancer Prevention and Screening

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