29 results
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... retraction (Collier's sign ... → "setting sun sign ... gabifpucci #Parinauds #Syndrome ... #neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... retraction (Collier's sign ... "setting sun" sign ... neudrawlogy #Parinauds #syndrome ... #neurology #diagnosis
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Lysis Syndrome ... hyperviscosity syndrome ... WBC >100k, + lab signs ... Lysis Syndrome: ... #Lysis #Syndrome
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Signs/Symptoms: ... between bone and tumor ... around the bone tumor ... BoneTumors #Malignant #Radiology ... #Diagnosis #XRay
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... • Central Cord Syndrome ... Posterior Cord Syndrome ... Brown-Sequard Syndrome ... #signs #symptoms
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner ... syndrome, history ... • Meningeal signs ... Systemic symptoms and signs ... #Algorithm #neurology
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
• Or brainstem syndromes ... Forms of MS: • Tumor-like ... • Lhermitte’s sign ... Signs and symptoms ... #management #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Spinal Cord Syndromes ... - Abscess - Tumor ... - Syrinx - Tumor ... Brown-Séquard Syndrome ... Intramedullary tumor
Neuroleptic Malignant Syndrome - Diagnosis
Neuroleptic Malignant Syndrome is an idiosyncratic reaction to antipsychotic medications classically characterized
Neuroleptic Malignant Syndrome ... Malignant Syndrome ... NMS, Serotonin Syndrome ... status: catatonic signs ... #Diagnosis #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
• Acute stroke syndromes ... system: Brain tumor ... Paraneoplastic syndrome ... Lambert-Eaton - Isaacs' syndrome ... Lack of UMN/LMN signs