An implication of this observation is. that two forms of RNA polymerase lI, differing in their subunit composition, may exist in vivo. The in vivo phosphorylation state of. RNA polymerase II subunits has also. been investigated using the immunopre-. cipitation approach (Fig.
Add your answer. Does a lumbar MRI include imaging of sacroiliac and coccyx area? I just had a MRI and it was for pain in the sacroiliac area (aching pain) and coccyx area (stabbing/pinching pain) so I thought it was weird that it was for lumbar back pain on the order.
Clinical History: A 66 year-old male presents to his doctorâs office with a longstanding history of low back and leg pain. On physical exam he demonstrates a left L5 radiculopathy. The patient is referred for an MRI of the lumbar spine. (1a,b) T2-weighted coronal and T1-weighted axial images are provided.