Table 1:

Procedure type, location, and contrast amounts

ProcedurePatientsProceduresGadolinium Amounts (cc/level)
Diskogram (total)1135
    Lumbar10321.5–7.5
    Thoracic131.5–1.8
Epidural injection
    \m(interlaminar) (total)5353
    Cervical16162.0–5.0
    Thoracic111.0–1.0
    Lumbar36361.0–5.0
Epidural Injection
    (transforaminal) (total)77
    Lumbar771.0–3.0
Facet injection (total)613
    Cervical120.2–0.2
    Lumbar5110.2–0.5
Intercostal injection (total)13
130.5–0.5
Nerve block (total)1416
    Cervical550.2–0.5
    Lumbar9110.2–5.0
Grand total92127