How do you deliver whole breast radiation to a woman with pectus excavatum?
What techniques are most effective to minimize contralateral breast, heart, and lung dose? Do you recommend conventional fractionation?
Answer from: Radiation Oncologist at Academic Institution
Agree that these can be challenging cases. The technique used depends on the severity of the pectus deformity, need to treat regional nodes (particularly IMNs), and need to treat the whole breast.@David P. Horowitz's advice is sound regarding multiple different plans may be needed and then the optim...
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Radiation Oncologist at UP Health System, Marquettte I have obtained the best plan using Tomotherapy
Answer from: Radiation Oncologist at Academic Institution
I agree with @Chirag S. Shah's comments; these can be very challenging cases even when internal mammary lymph nodes don't need to be covered. With significant posterior depression of the sternum in pectus excavatum, the resultant anatomy can make it difficult to limit dose to the contralateral...
Answer from: Radiation Oncologist at Academic Institution
These are extremely challenging cases particularly if internal mammary nodes need to be covered.
Prone and breath hold may help but with left sided cases the heart may actually stay relatively close to chest wall. In terms of fields, tangents don’t work well usually but can try electron photo...
I have obtained the best plan using Tomotherapy