20 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Compatible syndrome + MRI ... lesions + toxo ... #Brain #differential ... #diagnosis #causes
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... Metastasis #Liver #Lesions ... #POCUS #radiology ... #differential # ... diagnosis #comparison
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
hallucis longus Differential ... diagnosis for similar ... Posterior syndesmotic ligament ... findings and torn ligament ... osteochondral lesion
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
WITHOUT Bankart lesion ... Differential diagnosis ... Reverse HAGL (RHAGL) lesion ... shoulder #clinical #mri ... clinical #Radiology #diagnosis
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
Differential diagnosis ... Multiple Sclerosis: CNS ... hyperreflexia, multiple lesions ... hyperreflexia, spinal cord lesion ... on MRI
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
• Urogenital Lesions ... ) • Cutaneous Lesions ... (brainstem lesions ... Behcet disease) Differential ... inhibitors • Uveitis- Ophthalmology
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... for the neuro-ophthalmologic ... palsy) • INO (lesion ... #Diagnosis #Causes ... #Ophthalmology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Imaging: - MRI ... parietal - Size lesions ... Enhancement: multifocal lesions ... punched-out" cystic lesions
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
pulmonary etc) • CNS ... Space occupying lesions ... Brain tumor • Lesions ... Lesions Of The Peripheral ... EMG) studies • MRI
Anisocoria - Pupillary Defects - Differential Diagnosis Algorithm

Physiological - Simple Anisocoria ( <O.5mm)
 - Anisocoria equal
Pupillary Defects - Differential ... Diagnosis Algorithm ... Fascicle (Other CN ... Ciliary Ganglion Lesion ... #Causes #Ophthalmology