9 results
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
- Differential ... Infections: Cerebral abscess ... (bacterial, fungal ... Malignancy: Metastases (lung ... #Differential #
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
toxo IgG • CNS PCR ... • 80% with lung ... Infectious: • Bacterial ... Syphilis • Pyogenic Abscess ... #Brain #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung abscess ... stable residual lesion ... Abscess Differential ... #differential #
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
immunofluorescence, PCR ... virus NODULAR LESIONS ... - Bacterial pneumonia ... Patterns #Pulmonary #Lung ... ComputedTomography #Differential
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - Differential ... infection • Abscess ... Leptospirosis Pel-Ebstein ... Brucellosis • Liver or lung ... Fever #Patterns #Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... tuberculosis, Bacterial ... Polymorphic skin lesions ... Multiple skin lesions ... , and fever BACTERIAL
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
intracellular rod-shaped bacteria ... Pulmonary fibrotic lesions ... abscess Primary ... Response: • Most bacteria ... staining, NAA (PCR
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
intracellular rod-shaped bacteria ... Pulmonary fibrotic lesions ... abscess Primary ... Response: • Most bacteria ... staining, NAA (PCR
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
drug-resistant infection, bacterial ... osteomyelitis, cutaneous abscesses ... leukoencephalopathy (PML ... Leishmaniasis Differential ... Inflammatory #Syndrome #Differential