Long Surviving Cases of Pineal Body Tumors treated by Radiation

Nine cases of pineal body tumors mainly treated by radiation were reported.1) The longest surviving cases in a well state is still alive 15 years after radiation.2) Radiation therapy was effective to some degree in all the cases except for two. Seven cases are still alive and five are alive for 6 years.3) Ocular symptoms remain and are persistent for long periods in five cases.4) Pineal teratoma appears to be not sensitive to radiation.