Lumbar Spinal Stenosis: T2-weighted MRI of the Lumbar Spine; (Left) Mid-sagittal view; (Right Top) Axial scan at the mid-L3 level; (Right Bottom) Axial scan at the L3-L4 disk level.Note the central ...

Panel D demonstrates how the diagnosis in this patient was finally made with MRI, which shows an anterior spinal epidural abscess at L4 (arrow) associated with osteomyelitis of L3 and L4 and L3 ...

The two most commonly affected lumbar facet joints are L4–L5 and L5–S1, so the nerves innervating these joints — the L3 and L4 medial branches and the L5 dorsal ramus — are most frequently ...

In this video from Open Operating Theatre, Jens Castein, MD, from the Center for Spinal Surgery and Neurotraumatology in Frankfurt, Germany, discussed how to perform a percutaneous posterior ...

Lumbar Spinal Stenosis: T2-weighted MRI of the Lumbar Spine. (Left) Mid-sagittal view; ... Axial scan at the L3 level; (Right Bottom) Axial scan at the L3-L4 disk level. Note the severe central canal ...