37 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... IgG • CNS PCR ... Infectious: ... #Brain #differential ... #radiology #neurology
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Trigonum) Syndrome - MSK ... Radiology Imaging ... hallucis longus Differential ... osteochondral lesion ... #diagnosis #msk
MAGIC DR – a handy mnemonic used to remember the potential causes of a cerebral ring
eg. tumefactive MS ... Radiation necrosis #Diagnosis ... #Radiology #Mnemonic ... MAGICDR #DRMAGIC #Differential ... #Brain
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Diagnosis Framework ... Imaging: - MRI ... #differential # ... opportunistic #InfectiousDiseases
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
) - MSK Radiology ... (save $$) Differential ... diagnosis: • Salter ... #clinical #mri ... #diagnosis #msk
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
: Only a few lesions ... diagnosis. ... diagnosis. ... Diaphysis #Epiphysis #Radiology ... #MSK #Differential
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
to Headaches - Differential ... Diagnosis Algorithm ... Space-occupying brain ... lesion • CNS ... infection (e.g.,
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
early stages of infection ... , but MRI will show ... bilateral white matter lesions ... lesions, which ... Diagnosis: MRI
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Handle Tear - MSK ... Radiology Imaging ... Differential diagnosis ... BucketHandle #Tear #knee #mri ... #diagnosis #msk
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
compressive cord lesion ... less swollen - Lesion ... ruled out • Brain ... brain and/or optic ... management #neurology #differential