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Radiother Oncol. 2011 Aug;100(2):314-9. doi: 10.1016/j.radonc.2011.03.005. Epub 2011 Apr 16.

Treatment of hepatic metastases of breast cancer with CT-guided interstitial brachytherapy - a phase II-study.

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  • 1Klinik für Radiologie und Nuklearmedizin, Otto-von-Guericke-University Magdeburg, Germany.



The aim of the study was the evaluation of feasibility, safety and effectiveness of interstitial brachytherapy for the treatment of hepatic metastases of breast cancer.


Forty-one consecutive patients with 115 unresectable hepatic metastases of breast cancer were included in this phase-II-trial. They were treated in 69 interventions of CT-guided-interstitial-brachytherapy of the liver. Brachytherapy was applied as a single fraction high-dose-irradiation (15-25Gy (Gray)) using a (192)Ir-source of 10Ci. Nineteen patients presented systemically pretreated extrahepatic tumors. Primary endpoints were complications, local tumor control and progression-free survival.


The median tumor diameter was 4.6 cm (1.5-11 cm). The median irradiation time per intervention was 26.5 min (range: 7-47 min). The applied median minimal dose at the CTV (clinical target volume) margin was 18.5 Gy (12-25 Gy). In 69 interventions and during the postinterventional period, one major complication (symptomatic post-interventional bleeding) (1.5%) and six minor complications occurred (8.7%). The median follow-up time was 18 months (range: 1-56). After 6, 12 and 18 months, local tumor control was 97%, 93.5% and 93.5%, intra- and extrahepatic progression free survival was 53%, 40% and 27%, and overall survival was 97%, 79% and 60%, respectively.


CT-guided-brachytherapy is safe and effective for the treatment of liver metastases of breast cancer.

Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.

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