Recommendations from GEC ESTRO Breast Cancer Working Group (I): Target definition and target delineation for accelerated or boost Partial Breast Irradiation using multicatheter interstitial brachytherapy after breast conserving closed cavity surgery

Strnad, Vratislav; Hannoun-Levi, Jean-Michel; Guinot, Jose-Luis; Lössl, Kristina; Kauer-Dorner, Daniela; Resch, Alexandra; Kovács, György; Major, Tibor; Van Limbergen, Erik (2015). Recommendations from GEC ESTRO Breast Cancer Working Group (I): Target definition and target delineation for accelerated or boost Partial Breast Irradiation using multicatheter interstitial brachytherapy after breast conserving closed cavity surgery. Radiotherapy and oncology, 115(3), pp. 342-348. Elsevier 10.1016/j.radonc.2015.06.010

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OBJECTIVE The aim was to develop a delineation guideline for target definition for APBI or boost by consensus of the Breast Working Group of GEC-ESTRO. PROPOSED RECOMMENDATIONS Appropriate delineation of CTV (PTV) with low inter- and intra-observer variability in clinical practice is complex and needs various steps as: (1) Detailed knowledge of primary surgical procedure, of all details of pathology, as well as of preoperative imaging. (2) Definition of tumour localization before breast conserving surgery inside the breast and translation of this information in the postoperative CT imaging data set. (3) Calculation of the size of total safety margins. The size should be at least 2 cm. (4) Definition of the target. (5) Delineation of the target according to defined rules. CONCLUSION Providing guidelines based on the consensus of a group of experts should make it possible to achieve a reproducible and consistent definition of CTV (PTV) for Accelerated Partial Breast Irradiation (APBI) or boost irradiation after breast conserving closed cavity surgery, and helps to define it after selected cases of oncoplastic surgery.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Haematology, Oncology, Infectious Diseases, Laboratory Medicine and Hospital Pharmacy (DOLS) > Clinic of Radiation Oncology

UniBE Contributor:

Lössl, Kristina

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0167-8140

Publisher:

Elsevier

Language:

English

Submitter:

Beatrice Scheidegger

Date Deposited:

07 Apr 2016 10:42

Last Modified:

11 Apr 2016 01:31

Publisher DOI:

10.1016/j.radonc.2015.06.010

PubMed ID:

26104975

Uncontrolled Keywords:

APBI; Boost; Brachytherapy; Breast cancer; Target definition

BORIS DOI:

10.7892/boris.75359

URI:

https://boris.unibe.ch/id/eprint/75359

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