Epidural Injections Contraindicated for Lumbar Radiculopathy in May-Thurner Syndrome: A Case Report.

A 59-year-old patient presented to the chronic pain clinic with a 6-week history of worsening lumbar back pain, bilateral thigh pain, and unilateral radiculopathy. Magnetic resonance imaging revealed mild discogenic and facetogenic disease, but significant epidural venous plexus engorgement compressing the thecal sac. The patient reported previous treatment by a vascular surgeon for May-Thurner Syndrome, a type of inferior vena caval obstruction, yet had not experienced these specific complaints.

Priapism following a lumbar sympathetic nerve block.

Objective: To understand an unusual complication of a common procedure.

Design: This article chronicles the side effect of a lumbar sympathetic nerve block (LSNB).

Setting: Loyola University Medical Center Outpatient Chronic Pain Clinic.

Modulating CCR2 and CCL2 at the blood-brain barrier: relevance for multiple sclerosis pathogenesis.

Chemokines and chemokine receptors play a key role in the transmigration of leucocytes across the blood-brain barrier (BBB). CCR2 is the major receptor for CCL2, a potent monocyte and T cell chemoattractant. CCR2 and CCL2 have been consistently associated with a pathogenic role in experimental autoimmune encephalomyelitis, using knockout and transgenic mice, neutralizing antibodies, peptide antagonists and DNA vaccination.