10 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... Syphilis • Pyogenic Abscess ... RingEnhancing #Lesions #Brain ... #differential # ... #radiology #neurology
Diagram of different types of bone tumors that can occur around the knee on XRay -
intracortical Brodie abscess ... #Diagnosis #Bony ... #Differential # ... Radiology #XRay ... #msk #lesions #adult
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
around the knee on XRay ... intracortical Brodie abscess ... Lesions #Bony #Differential ... #Diagnosis #Radiology ... #XRay #MSK #pediatrics
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Radiology Imaging ... ON THE X-RAY! ... Differential diagnosis ... PVNS/Giant Cell Tumor ... #diagnosis #msk
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
and infects the CNS ... mononuclear cells in the CNS ... , but MRI will show ... Diagnosis: MRI ... disturbance and tremors
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Diagnosis Framework ... tumor • Lesions ... abscess • Toxic ... EMG) studies • MRI
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: • ... Spinal infection/abscess ... Imaging studies: • MRI ... #diagnosis #causes
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... Enhancement - TM and tumor ... negative, MOG-IgG test ... brain and/or optic ... management #neurology #differential
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
with: - Thymic tumors ... life-threatening Differential ... Myotonic dystrophy - Brain ... Bedside: ice pack test ... /Edrophonium test
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
specific questions to ask ... Assess functional ... determine if stress test ... risk Chest X-ray ... stratification #diagnosis