Symptomatic Relief and Neurologic Recovery Obtained from Radiotherapy Administration in the Treatment of Vertebral Haemangioma Primary Investigators Number of Patients Average Follow -Up Time Average Radiation Dosage Complete Pain Relief/Full Neurologic Recovery Partial Pain Relief/Partial Neurologic Recovery No Pain Relief/No Neurologic Recovery Miszczyk&Ficek 14 6 months 20-30 Gy 67% 33% 0% Heyd 84 68 months 34 Gy 61.9% 28.6% 9.5% Suparna&Vadhiraja 6 4.5 months 8-30 Gy   66.7% 33.3% Yang &Zang 23 2.5 months 30-40 Gy 80%     Asthana&Tandon 17 1 month 35-40 Gy 76.4% 11.8% 11.8% Aich& Deb 7 6 months 40 Gy 100% 0% 0% Templin et. al 117   36-40 Gy 82%     Micke& Rades 82 70 months 34 Gy 61% 29.2% 9.8% Faria 9 8-44 months 30-40 Gy 88.9%   11.1% Miszczk&Tukiendorf 101 18 months 8-30 Gy 64% 22% 14%

Table 2: Multiple prospective and retrospective studies demonstrating the success of radiotherapy in the treatment of symptomatic vertebral haemangiomas.