20 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... #differential #diagnosis ... #causes #radiology ... #neurology
McDonald Criteria for Diagnosis of Multiple Sclerosis
 • 2 or more attacks, 2 or more lesions
McDonald Criteria for Diagnosis ... implicating a different CNS ... McDonald #Criteria #Diagnosis ... Multiple #Sclerosis #MS ... #neurology
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
- MSK Radiology ... Diagnose with X-RAY ... Differential diagnosis ... clinical #Radiology #diagnosis ... #msk
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
) - MSK Radiology ... atraumatic adolescent knee ... repeated follow-up MRI ... #clinical #mri ... #msk
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... Conditions: • Cauda Equina ... Commonly caused ... such as fibular fracture ... Dermatomes #Myotomes #diagnosis
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
syndrome (CES) ... - Emergency Causes ... Differential Diagnosis ... Imaging studies: • MRI ... #causes #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... Vertebral burst fracture ... involvement Cauda Equina ... #differential #diagnosis ... #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... Imaging: - MRI ... Demyelinating disease caused ... InfectiousDiseases #Neurology
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Stroke • Root Lesion ... Greater Trochanter Fracture ... Valgus position of knee ... pathophysiology #causes ... #msk
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
HAGL) can be a cause ... WITHOUT Bankart lesion ... BHAGL): Avulsion fracture ... shoulder #clinical #mri ... #msk