Recurrent or residual cancer of nasopharynx after super voltage radiotherapy is treated by:: (A) Intracavitary radioactive implants, (B) Cryotherapy, (C) Surgery, (D) All of the above
Answer is D. If nasopharyngeal carcinoma recurs or is not completely regressed after 6500-7000 cGy radiotherapy, it can be treated by any of the above modes. Surgery involves skull-base and is done in only selected cases.