23 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... aspergillus Solitary Lesion ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
Lesions - Differential ... Diagnosis • Infections ... usually solitary lesion ... Diagnosis #neurology ... #radiology
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
worse upon plantar flexion ... athletes with plantar flexion ... hallucis longus Differential ... osteochondral lesion ... limits plantar flexion
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
CNS: parietal ... (Many causes!) ... ) • Infection ( ... ) • Brain lesions ... #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... Imaging: - MRI ... Demyelinating disease caused ... #Infections #differential
Causes of mitral stenosis
Rheumatic heart disease
 - Most common cause worldwide. Commissural fusion, thick MV leaflets
Commissural fusion ... chordae) - SLE, MPS ... disease Infective endocarditis ... #diagnosis #differential ... #cardiology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
to Headaches - Differential ... Space-occupying brain lesion ... • CNS infection ... #Headache #Differential ... Diagnosis #Algorithm #neurology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... Septic Emboli Cause ... Marantic (NTBE) Differential ... ↑ ESR, CRP • EKG ... or destructive lesion
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Non-inflammatory Causes ... nervous system (CNS ... neuropathy (LHON) plus MRI ... lesions and clinical ... noninflammatory #differential
Weakness - Differential Diagnosis Framework

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