Figure 2From: Skull base osteosarcoma presenting with cerebrospinal fluid leakage after CyberKnife® treatment: a case report A. Planning of CyberKnife ® radiation. The planned radiation was applied in five fractions, mainly to the residual tumor in the sphenoid and ethmoid sinuses including the optic canals. DVH: dose volume histogram. B. Follow-up magnetic resonance imaging performed 5 months after CyberKnife ® treatment. The residual tumor exactly shrinks after CyberKnife® radiation. Of note, the size of enhanced lesions in the cavernous sinuses has decreased remarkably.Back to article page