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Impact of delays in radiotherapy of head and neck cancer on outcome [Elektronski vir]Žumer, Barbara, 1970- ...Background: In head and neck cancer (HNC), the relationship between a delay in starting radiotherapy (RT) and the outcome is unclear. The aim of the present study was to determine the impact of the ... amount of time before treatment intervention (TTI) and the growth kinetics of individual tumors on treatment outcomes and survival. Methods: Two hundred sixty-two HNC patients with 273 primary tumors, treated with definitive (chemo) RT, were retrospectively analyzed. The TTI was defined as the time interval between the date of histopathologic diagnosis and the first day of the RT course. Volumetric data on 57 tumors were obtained from diagnostic and RT planning computer tomography (CT) scans in order to calculate the tumor growth kinetic parameters. Results: No significant association between locoregional control or cause-specific hazards and TTI was found. The log hazard for locoregional recurrence linearly increased during the first 40 days of waiting for RT, although this was not significant. The median tumor volume relative increase rate and tumor volume doubling time was 3.2%/day and 19 days, respectively, and neither had any impact on locoregional control or cause-specific hazards. Conclusion: The association between a delay in starting RT and the outcome is complex and does not harm all patients waiting for RT. Further research into imaging-derived kinetic data on individual tumors is warranted in order to identify patients at an increased risk of adverse outcomes due to a delay in starting RT.Vir: Radiation oncology [Elektronski vir]. - ISSN 1748-717X (Vol. 15, no. 1, Aug. 2020, str. 1-10)Vrsta gradiva - e-članekLeto - 2020Jezik - angleškiCOBISS.SI-ID - 25915651
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Žumer, Barbara, 1970- | 21747 |
Pohar Perme, Maja | 23437 |
Jereb, Simona, 1960- | 24569 |
Strojan, Primož | 14576 |
Vir: Osebne bibliografije
in: SICRIS
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