13 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... see skin lesions ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
geographic, lucent lesion ... cortically based lesion ... • Do Not Touch lesions ... Differential diagnosis ... for similar lesion
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
and Perthes lesion ... This is a Perthes lesion ... stripping → Perthes lesion ... lesion: Anteroinferior ... #Perthes #lesion
Common MRI Sequences - Basic MRI Brain Interpretation

 • T1 Sequence - T1 is for anatomy.
- Basic MRI Brain ... Contrast - T1 is also ... in many other lesions ... #Sequences #Radiology ... Neuroradiology #diagnosis
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
compressive cord lesion ... less swollen - Lesion ... • Infectious causes ... nerve lesions suggestive ... #differential
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
affecting the Brain ... neuropathy (LHON) plus MRI ... lesions and clinical ... BEE #Syndromes #neurology ... noninflammatory #differential
Subchondral Insufficiency Fracture
Imaging Findings:
 • Circle demarcating the region of edema within the medial femoral condyle.
Case description ... favored because lesion ... • See a linear ... Differential diagnosis ... #clinical #mri
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... may precede the neurologic ... edema visualized as ... showing cortical lesions ... Reversible course Differential
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... and/or bulbar region ... MRI: Brain, cervical ... conditions listed in differential ... Lateral #Sclerosis #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
ischemic skin lesions ... SLE, atherosclerotic ... Vasculitis: • Skin lesions ... maculopapular lesions ... Ocular inflammatory lesions