36 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... - Compatible syndrome ... + MRI lesions + ... #causes #radiology ... #neurology
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Non-inflammatory Causes ... pachymeningitis • HIV ... neuropathy (LHON) plus MRI ... lesions and clinical ... consistent with MS
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
- MSK Radiology ... Case description ... osteochondral lesion ... flexion but no symptoms ... #diagnosis #msk
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Causes: • Large ... suspected, immediate MRI ... #MSK #pathophysiology ... #diagnosis #symptoms
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... syphilis, and HIV ... Lower motor neuron symptoms ... Upper motor neuron symptoms ... #diagnosis #neurology
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
• Or brainstem syndromes ... demyelinating lesions ... Signs and symptoms ... resonance imaging [MRI ... • Acute: - IV
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... papilledema • Horner syndrome ... history of cancer, HIV ... ) • Systemic symptoms ... Space-occupying brain lesion
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... and signs below ... Non-compressive Spinal Cord Causes ... , HIV, CMV, HTLV ... MCTD, Sjogren syndrome
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
• Congenital hip ... Stroke • Root Lesion ... pathophysiology #causes ... #symptoms #signs ... #diagnosis #msk
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Complete hemicord lesion ... #diagnosis #pathophysiology ... #signs #symptoms ... #msk #orthopedics ... #neurology