Vol 94, No 4 (2023)
Research paper
Published online: 2022-10-10
Endometrial carcinoma in patients under 40 years of age: insights from the Bulgarian Cancer Registry
1
, 2, 23, 23, 23, 4, 45, 4, 6, 7, 89
, 2, 23, 23, 23, 4, 45, 4, 6, 7, 89
Abstract
Objectives: We aimed to investigate the overall survival (OS) of young women with endometrial cancer (EC) in Bulgaria and the impact of histological type on survival.
Material and methods: This is a population-wide retrospective study of patients with EC (≤ 40 years at diagnosis) registered at Bulgarian National Cancer Registry (BNCR) between 1993 and 2020. Patients were re-classified according to the 8th edition of the TNM classification.
Results: In total, 30 597 patients were registered and histologically confirmed with malignant tumors of the uterine body. From that, 29 065 of them (95%) had ECs, and the rest had sarcomas. Around 1.64% of all malignant tumors of the uterine body are diagnosed in women under the age of 40. Most of them are diagnosed in the early stage. There was no significant difference in median OS for patients diagnosed before or after 2003. In recent years there was a slight improvement in survival and patients from the last cohort of this study had a 5-year survival rate of 92.5%. Patients with favorable pathology (T1, G1/2) had no lymph node involvement at the time of diagnosis and their 10-year survival rate was 94%.
Conclusions: EC in young women is a rare disease. In most cases, patients are diagnosed in early stageT1, G1/2, N0 and their prognosis is excellent. However, the lack of improvement of OS of young patients with EC in the last three decades shows the need for treatment optimization.
Keywords: endometrial canceryoung womenrare diagnosisepidemiologyincidence ratessurvival
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