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• Aim: to ensure that conjunctival tumors or other very superficially
located lesions receive the full dose of radiation
• In most reports, local failure in superficial disease sites occurred
with no mention of the use of bolus
(Uno et al. 2003; Yamashita et al. 2008; Son et al.
2010)
• In another report bolus was not used routinely unless there was frank
skin involvement, without an apparent increase in relapse rate
(Goda et al.
2011)
• ILROG guidelines: bolus should be used in all cases of
conjunctival/superficial involvement or definite or suspected
extension
Bolus