To evaluate the outcome of treatment and identify the prognostic factors of adult medulloblastoma treated in the MRI era. There were 26 males and 6 females. Lesions were midline in 12, hemispheric in 17, and bilateral in 3. Twenty had classical histology and 12 had desmoplastic variant.
Late recurrence is more common in adult medulloblastoma.
Complete resection documented by MRI, low M stage, absence of brainstem invasion, and duration of radiotherapy less than 48 days are important prognosticators. Stereotactic alignment for Bragg peak radiosurgery. Raven Press, 1992. A new stereotactic alignment system for charged-particle radiosurgery at the Harvard Cyclotron Laboratory, Boston. In Stereotactic Radiosurgery, ed.