Fig. 1
From: The dosimetric impact of implants on the spinal cord dose during stereotactic body radiotherapy
Spinal implant reconstruction models on the standard sawbones of lumbar vertebrae. 1. PI: Posterior instrumentation. 2. AIAC: Anterior instrumentation and anterior column reconstruction with use of a titanium cage. 3. PIAC: Posterior instrumentation and anterior column reconstruction with use of a titanium cage. 4. AIABc: Anterior instrumentation and anterior column reconstruction with use of chest tubes filled with bone cement