 A CT of the lumbar spine without contrast performed in December 2008 showed a broad-based disc bulge at L1-L2, L2-L3, L3-L4 and L4-L5. 
A CT of the lumbar spine without contrast performed in December 2008 showed a broad - based disc bulge at L1 - L2 , L2 - L3 , L3 - L4 and L4 - L5 .