Topics:
Radiation Oncology • Melanoma/Skin Cancer
Do your radiation treatment margins change for cutaneous basal cell carcinoma in the adjuvant setting compared to cutaneous squamous cell carcinoma?
What margins do you use for each cancer for photons vs electrons?
If your margins differ between cBCC and cSCC, why?
Answer from: Radiation Oncologist at Academic Institution
1 cm with orthovoltage, 2 cm with electrons collimated on the skin.
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Answer from: Radiation Oncologist at Community Practice
The block margin does differ based on the technique and energy as the size of penumbra is different.
Usual margins are 5 to 20 mm with larger margin for photon and higher energy electrons. Also, margin is larger when block is at cone vs. at surface of the patient as penumbra changes.
Besides, size...
Comments
Radiation Oncologist at Radiation Oncology of Atlanta
A patient undergoes Mohs surgery for moderately di...
A patient undergoes Mohs surgery for moderately di...
Radiation Oncologist at Shariati Hospital, Tehran Universit of Medical Sciences
I would use the pre-surgery images if available. T...
I would use the pre-surgery images if available. T...
Radiation Oncologist at University of Washington
The Q from Dr. @Hamilton Williams is not one of a ...
The Q from Dr. @Hamilton Williams is not one of a ...
Radiation Oncologist at Radiation Oncology of Atlanta
Should be 0.8 mm. Typo
Should be 0.8 mm. Typo