Optimizing MR-Guided Radiotherapy for Breast Cancer Patients.

Maureen L Groot Koerkamp,Jeanine E Vasmel,Nicola S Russell,Simona F Shaitelman,Carmel N Anandadas,Adam Currey,Danny Vesprini,Brian M Keller,Chiara De-Colle,Kathy Han,Lior Z Braunstein,Faisal Mahmood,Ebbe L Lorenzen,Marielle E P Philippens,Helena M Verkooijen,Jan J W Lagendijk,Antonetta C Houweling,H J G Desiree van den Bongard,Anna M Kirby

FRONTIERS IN ONCOLOGY（2020）

Cited 33|Views56

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Abstract

Current research in radiotherapy (RT) for breast cancer is evaluating neoadjuvant as opposed to adjuvant partial breast irradiation (PBI) with the aim of reducing the volume of breast tissue irradiated and therefore the risk of late treatment-related toxicity. The development of magnetic resonance (MR)-guided RT, including dedicated MR-guided RT systems [hybrid machines combining an MR scanner with a linear accelerator (MR-linac) or(60)Co sources], could potentially reduce the irradiated volume even further by improving tumour visibility before and during each RT treatment. In this position paper, we discuss MR guidance in relation to each step of the breast RT planning and treatment pathway, focusing on the application of MR-guided RT to neoadjuvant PBI.

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Key words

breast cancer,neoadjuvant radiation therapy,partial breast irradiation,MR-guided radiotherapy,hybrid machine,MR-linac,magnetic resonance imaging (MRI)

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