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[New trends in trophoblastic disease]
1Dept. of Obstetrics and Gynecology, Niigata University, School of Medicine.
Gan to Kagaku Ryoho. Cancer & Chemotherapy
|April 1, 1989
Summary
Trophoblastic disease incidence, including hydatidiform mole and choriocarcinoma, has declined in Japan. Early detection and combined treatments improve choriocarcinoma survival rates.
Area of Science:
- Gynecology
- Oncology
- Epidemiology
Context:
- Population-based registries for trophoblastic disease were established in Japan in the 1970s.
- Data covers the observation period from 1979-1986.
Purpose:
- To analyze trends in the incidence and mortality of trophoblastic disease in Japan.
- To identify risk factors for choriocarcinoma and evaluate survival rates based on treatment modalities.
Summary:
- Incidence rates for hydatidiform mole and choriocarcinoma have decreased over the study period.
- Choriocarcinoma risk is higher in older women, metastatic mole, and invasive mole cases.
- Five-year survival rates for choriocarcinoma are 100% for non-metastatic and 59.2% for metastatic cases. Combined surgery and chemotherapy yield the highest survival rates (80.0%).
Impact:
- The study highlights declining trends in trophoblastic disease incidence and mortality in Japan.
- Identifies key risk factors and emphasizes the effectiveness of multimodal treatment for improving choriocarcinoma outcomes.
- Provides valuable epidemiological data for public health strategies and clinical management of gestational trophoblastic disease.