Spine

Cord and canal pathology, spinal infection, disc disease, metastatic epidural cord compression (Bilsky), and spine perfusion. 7 topics.

Brachial Plexus: Preganglionic vs Postganglionic

The plexus read turns on one divide: preganglionic (root avulsion at the cord — a different surgical problem) vs postganglionic (along…

Disc Nomenclature: Say What the Surgeon Hears

Nomenclature exists so your report means the same thing to the surgeon as to you, and so you don't over-call. Two jobs: use consensus terms by…

Epidural Cord Compression: Grading the Bilsky ESCC

Grade epidural spinal cord compression on the fixed Bilsky 0–3 ESCC scale by reading two planes — epidural fat and CSF around the cord — and…

Facet Pain: Name the Generator, Set Up the Block

The facet is a pain generator you have to name, because most painful spines have no herniated disc to blame — and the read exists to set up a…

Spinal Tumors: Compartment First, Then the Short List

There are three useful compartments: extradural, intradural–extramedullary, and intramedullary. Decide which one you are in on the axial images…

Spinal Cord Anatomy: Read It by Column

Read the cord by column on the axial image: which column is hit (anterior, lateral, dorsal, central, hemicord) tells you which tracts are down, which…

Spine Infection: Disc-Centered, Then Hunt the Epidural

Pyogenic spondylodiscitis is disc-centered: confirm the disc-plus-paired-endplate pattern with endplate erosion, then reflexively hunt the epidural…