10 results
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
) - Arterial Phase ... portal venous, T1 arterial ... Ultrasound - Early arterial ... Grayscale phase, Late arterial ... #differential #
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Compatible syndrome + MRI ... Infectious: • Bacterial ... #Brain #differential ... causes #radiology #neurology
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Appearance of Liver Lesions ... Computed Tomography (CT ... ) - Arterial Phase ... #radiology #differential ... diagnosis #comparison #table
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... selective renal intra-arterial ... CT or MRI scan of ... #Hypertension #Differential ... Screening #Workup #table
Appearance of Liver Lesions on Magnetic Resonance Imaging (MRI) - T2, T1 precontrast, T1 portal venous,
Appearance of Liver Lesions ... Resonance Imaging (MRI ... portal venous, T1 arterial ... MagneticResonance #radiology #differential ... diagnosis #comparison #table
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... with appropriate antimicrobial ... therapy • Antimicrobial ... Imaging: - MRI ... enhancement on CT
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... , CMV, EBV - Bacterial ... EMG) studies • MRI ... #Weakness #Differential ... #Diagnosis #neurology
Hypertrophic Pachymeningitis - Differential Diagnosis Framework

Pachymeningitis is a rare condition that causes areas of a layer
Pachymeningitis - Differential ... cryptococcosis • Bacterial ... metastases CT ... of patients MRI ... Pachymeningitis #HP #Neurology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... tuberculosis, Bacterial ... • CT: Halo sign ... Polymorphic skin lesions ... , and fever BACTERIAL
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... affects the skin, neurologic ... syndrome • Coronary arteries ... oligoclonal bands • MRI ... Thrombosis and arterial