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Radiation Oncology

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Open Access 01-12-2010 | Research

Single fraction radiosurgery using Rapid Arc for treatment of intracranial targets

Authors: Hendrik A Wolff, Daniela M Wagner, Hans Christiansen, Clemens F Hess, Hilke Vorwerk

Published in: Radiation Oncology | Issue 1/2010

Abstract

Background

Stereotactic-Radio-Surgery (SRS) using Conformal-Arc-Therapy (CAT) is a well established irradiation technique for treatment of intracranial targets. Although small safety margins are required because of very high accuracy of patient positioning and exact online localisation, there are still disadvantages like long treatment time, high number of monitor units (MU) and covering of noncircular targets. This planning study analysed whether Rapid Arc (RA) with stereotactic localisation for single-fraction SRS can solve these problems.

Methods

Ten consecutive patients were treated with Linac-based SRS. Eight patients had one or more brain metastases. The other patients presented a symptomatic vestibularis schwannoma and an atypic meningeoma. For all patients, two plans (CAT/RA) were calculated and analysed.

Results

Conformity was higher for RA with additional larger low-dose areas. Furthermore, RA reduced the number of MU and the treatment time for all patients. Dose to organs at risk were equal or slightly higher using RA in comparison to CAT.

Conclusions

RA provides a new alternative for single-fraction SRS irradiation combining advantages of short treatment time with lower number of MU and better conformity in addition to accuracy of stereotactic localisation in selected cases with uncomplicated clinical realization.

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Title: Single fraction radiosurgery using Rapid Arc for treatment of intracranial targets
Authors: Hendrik A Wolff
Daniela M Wagner
Hans Christiansen
Clemens F Hess
Hilke Vorwerk
Publication date: 01-12-2010
Publisher: BioMed Central
Published in: Radiation Oncology / Issue 1/2010
Electronic ISSN: 1748-717X
DOI: https://doi.org/10.1186/1748-717X-5-77

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Single fraction radiosurgery using Rapid Arc for treatment of intracranial targets

Abstract

Background

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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