What you should know by the end of fellowship.
Succinct clinical highlights — the core of each topic, focused on what you should recognize, work through, and act on. Built for focused learning and fast review by residents, fellows, and practicing radiologists. Open the interactive reading room with search →
Browse by domain
Organized by how the work is done. Pick a domain to read its topics.

Brain
Parenchyma, perfusion physiology, post-treatment pitfalls, demyelination, dementia, epilepsy, CSF/hydrocephalus, and the high-yield brain differentials.

Head & Neck
H&N cancer staging, sinonasal and laryngeal pathology, neck masses, thyroid, and the radiologist's value-add from T3 upward.

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

Pediatrics
Congenital malformations, neurometabolic disease, pediatric MS and mimics, and non-accidental trauma.

Vascular & Stroke
CTA/CTP technique, stenosis and dissection, aneurysms, acute stroke core/penumbra, hemorrhage, vessel wall imaging, PRES/RCVS.

Skull Base & Orbit
Skull base compartments and foramina, cranial nerve tracking, cavernous sinus, petrous apex, jugular foramen, orbit and optic pathway disease.
Every topic
Brain
- CSF Pressure & Headache: Reading What You Can't Measure
- Cerebral Amyloid: When the Plaque Isn't the Disease
- DDx by Finding: The Workstation Quick Reference
- DWI: Bright Isn't Always Restricted
- Dementia: Sort It by Atrophy & Metabolism
- Hydrocephalus: Localize the Block
- Language Mapping: It's the Tracts, Not Just the Cortex
- MR Spectroscopy: The Last Step in the Lesion Tree
- MRI in Epilepsy: Find the Substrate, Earn the Cure
- Meningitis: A Normal Scan Doesn't Exclude It
- Multiple Sclerosis: Typical, Changing, or a Red Flag?
- PML: Subcortical, U-Fiber, and Silent
- Post-Treatment Brain MRI: When Enhancement Lies
- Postoperative Brain Reporting: Answer the Surgeon's Question
- Pyogenic Brain Infection: Center Restricts = Abscess
- Resting-State fMRI: When Task Mapping Fails
- SWI: Where It Blooms and Why
- Spontaneous Intracranial Hypotension: The Leak Is in the Spine
- Tumor Perfusion: Correct the Leak Before You Trust the Map
- fMRI: Trust the Map, Watch for Uncoupling
Head & Neck
- ACR TI-RADS: Thyroid Ultrasound Is Triage, Not Cataloguing
- Adult Cystic Neck Mass: Cancer Until Proven Otherwise
- Craniocervical Junction Trauma: Ligaments, Not Just Bones
- Critical Facial Fractures: A Ranked Surgical List
- Head & Neck CT Perfusion: Predicting Who Responds
- Head & Neck Cancer: The Fat Planes That Stage It
- Head & Neck Emergencies: The On-Call Management Forks
- Incidental Thyroid Nodules: Should It Be in Your Impression?
- Larynx: The Two Fat Spaces That Upstage It
- Pediatric Cystic Neck Mass: Location, Not Signal
- Sinonasal Anatomy & the OMC: Clear the Floor First
- Sinonasal Maldevelopmental Lesions: One Event, One Family
- Staging Tips: Drive the Read Off Resectability
- Vasoformative Anomalies: Tumor or Malformation, Then Flow
Spine
- Brachial Plexus: Preganglionic vs Postganglionic
- Disc Nomenclature: Say What the Surgeon Hears
- Epidural Cord Compression: Grading the Bilsky ESCC
- Facet Pain: Name the Generator, Set Up the Block
- Spinal Tumors: Compartment First, Then the Short List
- Spinal Cord Anatomy: Read It by Column
- Spine Infection: Disc-Centered, Then Hunt the Epidural
Pediatrics
- Absent Posterior Pituitary Bright Spot: Always Abnormal
- CNS Teratoma: Midline Fat in a Young Patient
- Congenital Brain Anomalies: Anchor on the Corpus Callosum
- Non-Accidental Trauma: A Constellation, Never One Finding
- Otic Capsule Malformations: How Far Development Got
- Pediatric Intracranial Infection: Find the Drainable Collection
- Pediatric MS Mimics: Which Demyelination Is It?
- Pediatric Neurometabolic Disease: Hypomyelination vs Destruction
- Pediatric Sellar Region: Work It as a System
- Phakomatoses: Surveillance for the High-Stakes Lesion
Vascular & Stroke
- AVM vs Dural AV Fistula: Where the Shunt Lives
- Blunt Cerebrovascular Injury: It Hides — Screen and Grade
- Diamox CT Perfusion: A Stress Test for Flow Reserve
- Intracranial Arterial Anatomy: Naming the Segment Is the Report
- Intracranial Hemorrhage: Name the Pattern & the Source
- PRES: Reversible — If You Name the Complications
- Perfusion MRI: A Context Modifier, Never a Standalone Read
- Vessel Wall MRI: Read the Wall, Not the Lumen
Skull Base & Orbit
- Cavernous Sinus: Who Sits Where
- Clivus: Midline Chordoma vs Off-Midline Chondrosarcoma
- Complications of Sinusitis: Is It Crossing a Wall?
- Cranial Nerve Tracking: Follow the Four-Segment Path
- Jugular Foramen: Let the Bone Margin Call It
- Orbit Anatomy: Septum and Cone First
- Posterior Fossa Masses: Anchor to the Fourth Ventricle
- Skull Base Survival Tools: Map the Spread Through Foramina