11 results
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
ring-enhancing lesions ... #cns #brain #diagnosis ... #differential # ... algorithm #causes ... #radiology #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... + toxo IgG • CNS ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
CNS: parietal ... (Many causes!) ... encephalitis) • Brain ... lesions (e.g. stroke ... #differential
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
anywhere in the CNS ... from the brain ... medulla, and the cortico-spinal ... form part of the differential ... This lesion causes
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Non-inflammatory Causes ... affecting the Brain ... nervous system (CNS ... LHON) plus MRI lesions ... noninflammatory #differential
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
CA • Involves aortic ... Septic Emboli Cause ... Marantic (NTBE) Differential ... Endocarditis #diagnosis #management ... #cardiology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... • Infectious causes ... ruled out • Brain ... Myelitis #diagnosis #management ... #neurology #differential
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
contrast enhancement Brain ... neurological symptoms • Caused ... or abruptly • CN ... Tuberculosis #diagnosis #differential ... #TB #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
< 30 years • Aorta ... claudication, pulse ... Arteritis): • Aorta ... tract, and often causes ... chorioretinitis, CNS
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... showing cortical lesions ... Reversible course Differential ... Syndrome #diagnosis #management ... #neurology