9 results
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
Lesions - Differential ... DiagnosisInfections ... Malignancy: Metastases (lung ... #Differential # ... Diagnosis #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
with lung nodules ... Infectious: ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... Diagnosis Framework ... reactivation of latent ... #Infections #differential
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Pulmonary fibrotic lesions ... disease • DM DDX ... cancer • Septic ... Tuberculosis Diagnosis ... Tuberculosis #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
Pulmonary fibrotic lesions ... disease • DM DDX ... cancer • Septic ... Tuberculosis Diagnosis ... Tuberculosis #TB #Diagnosis
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Diagnosis Framework ... Lymphadenopathy, CNS ... Hyponatremia • Elevated hepatic
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
nonspecific • DX ... especially the CNS ... MC: CNS CSF: • ... change in the lungs ... nails, bronchi, lungs
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Diagnosis Framework ... affects the skin, neurologic ... drug exposure or Dx ... chorioretinitis, CNS
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... , verrucous) - Lung ... Glomerulonephritis DDX ... tumor embolism Septic ... #Endocarditis #Differential