“…The overall outcome of the MD at the last follow up, without respect to therapeutic strategies, was as follows: hemichorea and hemichorea/ballismus disappeared in three patients (cases 4, 12, 13); myoclonus disappeared in one (case 17); tremor disappeared in three patients (cases 1,18,20), improved to some degree in five (cases 3,8,9,11,14), fluctuated in one (case 6), and did not change in two (cases 2, 5); hemidystonia improved to some degree in three patients (cases 7,17,19), fluctuated in one (case 2), did not change in one (case 8), and worsened in two (cases 10, 13). In patient 14 with a grade II astrocytoma of the right thalamus extending to the midbrain, contralateral tremor improved two years after interstitial radio- Figure 2 Axial enhanced CT scans ofpatient 19, 14 years after interstitial radiotherapy with '92Ir.…”