BACKGROUND. This review was undertaken to determine the outcome for pa
tients diagnosed in the modern era and treated with radiation therapy.
METHODS. Using the tumor registries of six institutions in a large me
tropolitan area, cases of gliomatosis were identified and retrospectiv
ely reviewed. RESULTS. The clinical course for each patient was unique
. Deterioration during treatment, brief stabilization, and reversal of
the clinical signs and symptoms with stability and high quality of li
fe at 16 months from diagnosis characterized Patients 1, 2, and 3, res
pectively. CONCLUSIONS. Radiotherapy for gliomatosis appears to stabil
ize or improve neurologic function in some patients. Its impact on sur
vival will await additional reports and longer follow-up. (C) 1996 Ame
rican Cancer Society.