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- W3029124360 abstract "e12603 Background: To assess the value of the Van Nuys Prognostic Index (VNPI) used in Maria Sklodowska-Curie National Research Institute of Oncology (MSCNRIO) to select the most adequate method of the treatment of DCIS patients. Methods: The database covered 737 subsequent DCIS patients treated in MSCNRIO in the years 1996 -2011. The results of the treatment with and without compliance with the VNPI index were compared. Results: In the group of 737 patients 66 (9%) failures were reported. There were 4 (0.5%) deaths due to DCIS progression. After 15 years of observation of patients treated in compliance with VNPI, the percentage of failures after local excision (4-6 VNPI points), breast conserving treatment (7-9 VNPI points) and mastectomy (10-12 VNPI points) was 29%, 21% and 9%, respectively. No differences in the overall survival was observed. In patients with 4-6 VNPI points the percentage of recurrences in the group treated in compliance with the VNPI (without radiotherapy) was 29% while in the group treated without compliance with the VNPI (with radiotherapy) - 2%. Conclusions: The Van Nuys prognostic index (VNPI) does not seem to be an ideal tool in patients with DCIS. It shows too high percentage of recurrences in the low risk group (VNPI of 4, 5 or 6 points), treated exclusively with a sparing surgery. Almost all patients after surgical excision should be irradiated." @default.
- W3029124360 created "2020-06-05" @default.
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- W3029124360 date "2020-05-20" @default.
- W3029124360 modified "2023-10-16" @default.
- W3029124360 title "Validation of the Van Nuys Prognostic Index in 737 patients with ductal carcinoma in situ (DCIS) treated at Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland." @default.
- W3029124360 doi "https://doi.org/10.1200/jco.2020.38.15_suppl.e12603" @default.
- W3029124360 hasPublicationYear "2020" @default.
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