15 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... Infectious: ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... Late phase • DDx ... POCUS #radiology #differential ... #diagnosis #comparison ... #table #appearance
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Appearance of Liver Lesions ... Delayed Phase DDx ... CT #radiology #differential ... #diagnosis #comparison ... #table #appearance
Appearance of Liver Lesions on Magnetic Resonance Imaging (MRI) - T2, T1 precontrast, T1 portal venous,
Resonance Imaging (MRI ... hepatobiliary phase DDx ... MagneticResonance #radiology #differential ... #diagnosis #comparison ... #table #appearance
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Diagnosis Framework ... EMG) studies • MRI ... #Weakness #Differential ... #Diagnosis #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Diagnosis Framework ... Imaging: - MRI ... #differential # ... diagnosis #AIDS
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... Space-occupying brain lesion ... • CNS infection ... #neurology #PHANTOMS ... #mnemonic
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
neuropathy (LHON) plus MRI ... lesions and clinical ... BEE #Syndromes #neurology ... noninflammatory #differential ... #diagnosis
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
compressive cord lesion ... less swollen - Lesion ... or optic nerve lesions ... #management #neurology ... #differential
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
heart valves • MRI ... often seen • MRI ... large infarct - Infectious ... #Endocarditis #comparison ... #table