8 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... Conditions: • Cauda ... Equina Syndrome ... Commonly caused ... such as fibular fracture
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... of Cauda Equina ... Imaging studies: • MRI ... diagnosis #causes ... #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Vertebral burst fracture ... involvement Cauda ... Equina Syndrome ... #differential # ... diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Lower roots -> Cauda ... equina- decreased ... compression by fractured ... Non-compressive Spinal Cord Causes ... #neurology #differential
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Non-inflammatory Causes ... nervous system (CNS ... neuropathy (LHON) plus MRI ... lesions and clinical ... noninflammatory #differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... compressive cord lesion ... • Infectious causes ... #management #neurology ... #differential
Subchondral Insufficiency Fracture
Imaging Findings:
 • Circle demarcating the region of edema within the medial femoral condyle.
Osteonecrosis of the Knee ... favored because lesion ... Differential diagnosis ... #clinical #mri ... #msk
Intermetatarsal Bursitis - MSK Radiology
Imaging Findings:
 • T2-hyperintense fluid-like signal and T1-hypointense signal between the first
Case description ... Differential diagnosis ... conspicuity of the lesion ... Intermetatarsal #Bursitis #foot ... #msk