Magnetic resonance evaluation of recurrent disc herniation: is gadolinium necessary?
Routine use of contrast-enhanced examinations in patients who have had prior lumbar surgery probably adds little diagnostic value and may be confusing.
Increase of perihematomal TNF-alpha levels contributes to brain edema formation after ICH. Thrombin may be a major mediator of ICH-induced TNF-alpha production, but thrombin-induced brain tolerance may not be TNF-alpha mediated.