11 results
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Signs / Symptoms ... suspected, immediate MRI ... #MSK #pathophysiology ... #diagnosis #symptoms
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... flexion but no symptoms ... #clinical #Radiology ... #diagnosis #msk
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... canal and neural foramina ... stopping walking (vascular ... #neurology #sensory ... #motor #leg #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
L1-L5 Symptoms ... Differential Diagnosis ... lumbar stenosis • Vascular ... Imaging studies: • MRI ... #causes #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... + MRI lesions + ... lung nodules, may also ... #causes #radiology ... #neurology
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
is important, as ... early diagnosis ... neuropathy (LHON) plus MRI ... consistent with MS ... #neurology #noninflammatory
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
• Or brainstem syndromes ... such as internuclear ... resonance imaging [MRI ... objective evidence of neurologic ... #management #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
4) progressive muscular ... fasciculations Common Symptoms ... MRI: Brain, cervical ... and thoracic spine ... Lateral #Sclerosis #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Neurological symptoms ... cortical lesions • Vascular ... narrowing on MRA ... #neurology
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
There was also high ... MRI was ordered ... the hospital, diagnosed ... #PhysicalExam # ... ophthalmology #neurology