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.
While the MRI scan represents a very sensitive and accurate assessment of spinal anatomy, it cannot distinguish between painful and non-painful structures in the spine. In fact, a patient may have severe back pain and an MRI scan that shows a relatively normal-looking spine, or conversely may have no back pain but the MRI scan reveals a lot of anatomical problems. Thus, the findings on MRI scans do not constitute a diagnosis and the MRI findings must be correlated with the patientâs physical exam and back pain symptoms to arrive at a clinical diagnosis.