Cervical medial branch block volumes should be less than or equal to 0.3mL and intraarticular facet joint injection volumes should not exceed 1mL including the contrast to prevent capsule rupture and/or aberrant injectate spread to maximize the specificity of the block. Before cervical RFA, ...
The block is performed by using a 22-gauge 1.5-inch needle. The transverse processes are located by entering the skin in a perpendicular fashion. The needle is always directed in a medial caudal direction to avoid any unintentional vertebral artery, epidural, subdural, or spinal injection. The ...
All three cases published before were performed after positive medial branch blocks. In our case previous medial branch block was not performed, this might avoid an unnecessary RFA procedure if negative. Reported cases features are summarized in Table 1. Table 1. Principal characteristics of the ...