Modern Bt Techniques - Florence 2016

Mobile tongue and floor of mouth

Iridium 192 alone necrosis > 62.5 Gy - > 0.5 Gy/h 7 % 44 % > 62.5 Gy - < 0.5 Gy/h 13 % 19 % < 62.5 Gy - > 0.5 Gy/h 21 % 37 % < 62.5 Gy - < 0.5 Gy/h 48 % 5 % local failure

J.J. Mazeron et al, Radiother. Oncol. 21, 39, 1991