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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