13 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
PCR 50% sensitive ... including: M, avium, TB ... Bacterial • Tuberculosis ... Lesions #Brain #differential ... #diagnosis #causes
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Progression: • Upper lobe ... characteristic features Clinical ... Diagnosis: Latent ... staining, NAA (PCR ... #TB #Diagnosis
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Progression: • Upper lobe ... characteristic features Clinical ... Diagnosis: Latent ... staining, NAA (PCR ... #TB #Diagnosis
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
heart failure, COPD ... Fungal, AFB), TB ... PCR sputum, PCP ... HIVAIDS #workup #diagnosis ... #evaluation #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... should be based on clinical ... Inferomedial temporal lobes ... #Infections #differential
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
with pulmonary TB ... and not direct infection ... or abruptly • CN ... #diagnosis #differential ... #TB #neurology
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
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... Transverse Myelitis - Clinical ... , Hep A/B/CMV, TB ... Brucellosis - Dengue, EBV ... management #neurology #differential
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
The differential ... diagnosis for this ... abnormality includes an old ... #Clinical #PCC # ... CXR #Oleothorax #NEJM
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