20 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... PCR 50% sensitive ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
food, salad bar Clinical ... infection Diagnosis ... Gastroenteritis) • PCR ... ) • CSF (CNS Infection ... ) • MRI / CT if
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
food, salad bar Clinical ... infection Diagnosis ... Gastroenteritis) • PCR ... ) • CSF (CNS Infection ... ) • MRI / CT if
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... should be based on clinical ... enhancement on CT ... Demyelinating disease ... #Infections #differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Pattern - Chest Radiology ... hematogenous spread of a disease ... #differential # ... #CXR #clinical ... #CT
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Agglutinin Syndrome (CAS ... Clinical Presentation ... - Mycoplasma, EBV ... younger pts) Differential ... Hemoglobinuria (PCH
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... basal ganglia, CNS ... +/- myocardial infarction ... Behcet syndrome (Clinical ... ) Differential Diagnosis
Echinococcal Cysts in the Liver- The physical examination revealed hepatomegaly with a palpable hepatic mass. Laboratory
cyst in the right lobe ... Hydatid disease ... #clinical #NEJM ... liver #hepatic #radiology ... #CT #ultrasonography
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... virus • CMV • EBV ... • Common clinical ... Singh @rav7ks #CNS ... #Infections #differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Inflammatory eye disease ... Other tests: • CT ... confirm DAH, r/o infection ... seen on chest CT