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Country fact sheet: Japan

CERVICAL CANCER SCREENING PROGRAMME

Reporting year for qualitative data: 2020
Source of qualitative data: Directly from Programme

Organization of screening

An individual/team/institution responsible to coordinate the programme: Yes
Dedicated budget for screening programme: Yes
Documented cancer screening policy: Yes
Nature of documentation of the policy: Notification
Year programme was initiated: 1983
Programme introduction was preceded by a pilot: No
Screening tests provided free of charge: No
Diagnostic tests provided free of charge: No
Treatment services provided free of charge: No

Information system and data collection

System that collects data: Aggregated
   • Identification of eligible population: -
   • Screening participation: Aggregated
   • Screening test results: Aggregated
   • Further assessment: Aggregated
   • Final pathology diagnosis: Aggregated
   • Cancer staging: Aggregated
   • Treatment: No
The information system exists at national or sub-national level: Individual: Unknown
Aggregated: National
The information system collects data outside the programme (opportunistic screening/private sector): No
Cancer screening data is linked with population-based cancer registry (PBCR): Yes

Screening protocol

A screening protocol or guideline: Yes
Year of published/updated protocol: 2013
Target age (min-max) and screening interval [months] for each test: Cytology (20-99 years / [24 months])
Triaging test used: HPV
Self-collection HPV recommended: -
"Screen and treat" included in the protocol: No
Treatment modality for "screen and treat": -

Invitations for screening and further assessment

Initiatives to create population awareness by the Health Ministry/Health Authority: Small media campaign
Dedicated website
Invitations to eligible population: Other
Source of the eligible individuals identified: -
Method of invitation: -
Screening kit included with the invitation: -
Screen positive individuals actively contacted for further assessment: Yes
Individuals with a precancer or cancer diagnosis actively contacted: Yes

Quality Assurance (QA) of screening activities

Documented standard operating procedure/policy for QA: Yes
An individual/team/institution responsible for QA: Yes
Accreditation of lab services: No
Accreditation of pathology services: Yes
Documented performance indicators: Yes
Reference standards for performance indicators: Yes
Evaluation reports published in the last five years: Yes

Performance indicators

Reporting year for quantitative data: 2017
Source of quantitative data: Directly from programme
Age range and regional limitation if applicable: 20-99 years
Invitation coverage (%):
Participation rate (%):
Examination coverage (%): 15.7
Completeness of data related to screening test results (%): 99.5
Completeness of data related to further assessment results (%): 81.9
Further assessment (Colposcopy referral) rate (%): 2.1
Further assessment participation rate (%): 72.6
Detection rate for CIN2+ (x 1000): 2.9
Detection rate for CIN3+ (x 1000): 1.4
Detection rate for invasive cancer (x 1000): 0.3
Positive Predictive Value of abnormal screening test to detect CIN2+ (x 1000): 19.1
Positive Predictive Value for CIN3+ (x 1000): 9.5
Positive Predictive Value for invasive cancer (x 1000): 2.1
More quantitative data (2017/Cytology)


Check also the following factsheets: Japan, Breast, Colorectal