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Table 1 Overview of published results of functional outcome of different treatment modalities (MRS vs. SRS/SRT) of brain metastases in the motor cortex region

From: Early motor function after local treatment of brain metastases in the motor cortex region with stereotactic radiotherapy/radiosurgery or microsurgical resection: a retrospective study of two consecutive cohorts

  Patients Tumor volume Preoperative hemiparesis RPA Score mean Motoric improvement Motoric deterioration
Weil RJ et Louser RR a 17 10.2 cm3 (mean) 100% 1,92 88% 12%
Obermueller T et al. a 56 57% 2 31% 21%
present series MRS a 27 10.5 cm3 (mean) 89% 1.85 54% 11%
present series SRT/SRS b 41 4.9 cm3 (mean) 20% 1.81 17% 5%
Luther N. et al. b 96 27 pat. >9 cm3 51% 31% 37%
69 pat. <9 cm3 12%
  1. MRS series are marked with a, SRT/SRS series are marked with b