20 results
Patterns of Diseases on MRI FLAIR - Differential Diagnosis
ADEM, Adreno-leukodystrophy, CADASIL, CNS, Lymphoma, High-Grade Glioma, HIV
on MRI FLAIR - ... Differential Diagnosis ... , NMO, PRES, PML ... , Susac Syndrome ... #MRI #Differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... + MRI lesions + ... toxo IgG • CNS PCR ... Syphilis • Pyogenic Abscess ... #causes #radiology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Legg-Calve-Perthes disease ... - HIV - Lyme disease ... #differential #diagnosis ... lower #extremity #msk
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease ... (MS), Epidural ... abscess, Infarction ... #differential #diagnosis
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... - Differential Diagnosis ... Autoimmune: Crohn's disease ... #InfectiousDiseases
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Causes: • Large ... • Infection (abscess ... suspected, immediate MRI ... #MSK #pathophysiology ... #diagnosis #symptoms
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Non-inflammatory Causes ... and less common diseases ... Non-inflammatory causes ... neuropathy (LHON) plus MRI ... consistent with MS
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Peripheral Vascular Disease ... Marfan's Syndrome ... blood vessels • Abscess ... Vascular #JointPain #MSK ... #Orthopedics #Causes
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
- Differential Diagnosis ... infection • Abscess ... Non-Infectious Causes ... Leptospirosis Pel-Ebstein ... #Differential #Diagnosis
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... Differential Diagnosis ... Spinal infection/abscess ... Imaging studies: • MRI ... #causes #neurology