Hbo therapy could be a useful treatment adjunct for laryngeal radionecrosis
2.
Radionecrosis must be differentiated from cancer recurrence following curative radiotherapy for early laryngeal cancer
3.
Since laryngeal radionecrosis was suspected , the patient received hyperbaric oxygen ( hbo ) therapy 40 times for 1 hour of 100 % o2 at 2 atm absolute pressure