Radiation Physics   

If the pacemaker receives no dose, what dose are the leads allowed to receive and still function? Should interrogation(s) be done weekly?Does dose per...

If imaging is aligned at PTV despite exceeding tolerances do you accept/override, perform shift verification image, or reposition the patient? Do you...

Scanning beam only machines are being increasingly marketed, it could be problematic if you can't use them to treat the one site which is most appropr...

If a non-contrast CT is not performed at CT simulation or otherwise not useable, can you plan on the contrast CT or must you re-simulate for cancers n...

Differenes in dose of ~3% can be seen between different dose calculation algorithms. What dose calculation algorithm is the best to use? AAA, Acu...

What dose calculation algorithm to you utilize (eg AAA, Acuros, etc)? Do you prefer a particular algorithm for certain sites? Do you take in...

For example, would you counsel against breast conserving therapy for a woman exposed to fallout from the Chernobyl disaster or a downwinder?

Several radiation oncologists have switched from 6MV to 10MV for cranial IMRT plans to prevent alopecia. Is this theoretical or do we have data? And a...

Do people use it interchangeably with DMax or use the 2cmx2cm definition? I often get pushback from the dosimetrists for plans where the DMax is ...