47 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... IgG • CNS PCR ... Syphilis • Pyogenic Abscess ... #Brain #differential ... #diagnosis #causes
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Trigonum) Syndrome - MSK ... hallucis longus Differential ... diagnosis for similar ... #mri #clinical ... #msk
Patterns of Diseases on MRI FLAIR - Differential Diagnosis
ADEM, Adreno-leukodystrophy, CADASIL, CNS, Lymphoma, High-Grade Glioma, HIV
of Diseases on MRI ... Diagnosis ADEM ... Adreno-leukodystrophy, CADASIL, CNS ... , NMO, PRES, PML ... #clinical
McDonald Criteria for Diagnosis of Multiple Sclerosis
 • 2 or more attacks, 2 or more lesions
McDonald Criteria for Diagnosis ... implicating a different CNS ... in space in the spinal ... McDonald #Criteria #Diagnosis ... Multiple #Sclerosis #MS
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential ... Diagnosis Framework ... : Clinical findings ... continence • Pain ... compression by fractured
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
equina syndrome (CES ... Diagnosis: • ... infection/abscess ... Imaging studies: • MRI ... #diagnosis #causes
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Lesions of the Spinal ... stenosis - Abscess ... Vertebral burst fracture ... #differential # ... diagnosis #neurology
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
) - MSK Radiology ... adolescent knee pain ... (save $$) Differential ... #clinical #mri ... #diagnosis #msk
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
- Differential ... Tumours - See Bone Lesions ... Disease - Skull/spine ... Ricketts - Diffuse Pain ... #Pathologic #MSK
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
- MSK Radiology ... Differential diagnosis ... #clinical #mri ... #clinical #Radiology ... #diagnosis #msk