18 results
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... Imaging Findings ... • MRI: Posterolateral ... no impingement findings ... #diagnosis #msk
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... + MRI lesions + ... RingEnhancing #Lesions #Brain ... #causes #radiology ... #neurology
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
vertigo due to Posterior ... Stroke (usually Posterior ... occlusion) Clinical Findings ... #Wallenbergs #neurology ... #diagnosis
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
CNS Manifestations ... Demyelinating Syndrome ... thrombosis and/or blood-brain ... prevention (statin for CVA ... #neurology #rheumatology
Timeline for Progression of T2WI and DWI Findings in Acute Stroke
 - In the acute phase
of T2WI and DWI Findings ... - DWI in brain ... #Stroke #CVA #MRI ... Progression #Timeline #Neurology ... #Radiology #Findings
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
and infects the CNS ... Diagnosis: MRI ... Findings: • Rule ... white matter and posterior ... The clinical syndrome
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
- Differential Diagnosis ... Unilateral Mydriasis: CN ... - Fixed: Brain ... , Posterior Synechiae ... hemorrhage, Pontine CVA
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
and Metabolic Brain ... Disorders ATL With Posterior ... Pons: ODS #MRI ... #Differential #Diagnosis ... #Radiology #Neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... Vascular narrowing on MRA ... /CTA • Anterior ... parietal lobes of the brain ... #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... pulmonary etc) • CNS ... nervous system: Brain ... EMG) studies • MRI ... #neurology