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Reducing cardiac doses: a novel multi‐leaf collimator modification technique to reduce left anterior descending coronary artery dose in patients with left‐sided breast cancer

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When irradiating the left breast, a small portion of the heart and left anterior descending coronary artery (LAD) are often included in the treatment field. Deep inspiration breath‐hold (DIBH) techniques… Click to show full abstract

When irradiating the left breast, a small portion of the heart and left anterior descending coronary artery (LAD) are often included in the treatment field. Deep inspiration breath‐hold (DIBH) techniques reduce dose to coronary structures, but are resource intensive and may not be tolerated by all patients. The aim of this study was to evaluate a simple multi‐leaf collimator (MLC) modification technique with respect to target coverage and organ‐at‐risk sparing.

Keywords: leaf collimator; multi leaf; coronary artery; descending coronary; left anterior; anterior descending

Journal Title: Journal of Medical Radiation Sciences
Year Published: 2017

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