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…