<The >analysis of respiration-induced pancreatic tumor motion based on reference measurement

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00843989%3A_____%2F14%3AE0104128" target="_blank" >RIV/00843989:_____/14:E0104128 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1186/1748-717X-9-192" target="_blank" >http://dx.doi.org/10.1186/1748-717X-9-192</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1186/1748-717X-9-192" target="_blank" >10.1186/1748-717X-9-192</a>

Jazyk výsledku

angličtina

Název v původním jazyce

<The >analysis of respiration-induced pancreatic tumor motion based on reference measurement

Popis výsledku v původním jazyce

Background: To evaluate pancreatic tumor motion and its dynamics during respiration. Methods and materials: This retrospective study includes 20 patients with unresectable pancreatic cancer who were treated with stereotactic ablative radiotherapy. An online respiratory tumor tracking system was used. Periodical maximum and minimum tumor positions with respiration in superior-inferior (SI), latero-lateral (LL), and anterior-posterior (AP) directions were collected for tumor motion evaluation. The predictability of tumor motion in each axis, based on reference measurement, was analyzed. Results: The use of a 20-mm and 5-mm constant margins for SI and LL/AP directions, avoids target underdosage, without the need for reference measurement. Pearson's correlation coefficient indicated only a modest correlation between reference and subsequent measurements in the SI direction (r = 0.50) and no correlation in LL (r = 0.17) and AP (r = 0.35) directions. When margins based on the reference measu

Název v anglickém jazyce

<The >analysis of respiration-induced pancreatic tumor motion based on reference measurement

Popis výsledku anglicky

Background: To evaluate pancreatic tumor motion and its dynamics during respiration. Methods and materials: This retrospective study includes 20 patients with unresectable pancreatic cancer who were treated with stereotactic ablative radiotherapy. An online respiratory tumor tracking system was used. Periodical maximum and minimum tumor positions with respiration in superior-inferior (SI), latero-lateral (LL), and anterior-posterior (AP) directions were collected for tumor motion evaluation. The predictability of tumor motion in each axis, based on reference measurement, was analyzed. Results: The use of a 20-mm and 5-mm constant margins for SI and LL/AP directions, avoids target underdosage, without the need for reference measurement. Pearson's correlation coefficient indicated only a modest correlation between reference and subsequent measurements in the SI direction (r = 0.50) and no correlation in LL (r = 0.17) and AP (r = 0.35) directions. When margins based on the reference measu

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

FD - Onkologie a hematologie

OECD FORD obor

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Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2014

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Radiation oncology

ISSN

1748-717X

e-ISSN

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Svazek periodika

9

Číslo periodika v rámci svazku

n. Article ID 192

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

8

Strana od-do

"p. 1-8"

Kód UT WoS článku

000341035200001

EID výsledku v databázi Scopus

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