6 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... , LAD, and hepatomegaly ... splenomegaly Other infections ... #Brain #differential ... diagnosis #causes #radiology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... Space-occupying brain ... lesion • CNS ... infection (e.g., ... Matthew Ho, MD PhD
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Handle Tear - MSK ... The "double PCL sign ... Differential diagnosis ... Medial #Meniscus #BucketHandle ... #Tear #knee #mri
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... nervous system: Brain ... • Infectious: Brain ... Lack of UMN/LMN signs ... EMG) studies • MRI
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Differential diagnosis ... • Bony Humeral ... GAGL): "Reverse J sign ... shoulder #clinical #mri ... #diagnosis #msk
Transverse Myelitis Overview

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