19 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... pneumonia • Chronic ... seen • Chest CT ... Prevotella • Fungal ... #management #treatment
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... biliary, renal, lung ... concentration PET-CT ... #diagnosis #management ... #rheumatology
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... involving both lungs ... Bacterial, TB, NTM, Fungal ... Obstruction 6) Rheumatologic ... /Autoimmune diseae
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... lung disease ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... DDX - Other causes
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation causes ... in the adjacent lung ... of the affected lung ... high-resolution chest CT ... mycobacteria Treatment
Blastomycosis (Blastomyces): Gilchrist’s disease, Chicago disease - Summary Sheet
 • Morphology
 • Geography, Reservoir and Mode
- Sporadic cases ... effusions) - Chronic ... presentation of TB, lung ... patients with chronic ... #summary #fungal
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
• Silicosis • Chronic ... infection (NTM) • Fungal ... malignancy, and chronic ... TB #Diagnosis #Management ... #Treatment #ActiveTB
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... Pseudomonas FUNGAL ... • CT: Halo sign ... Abdominal pain, chronic ... factor • May cause
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
• Silicosis • Chronic ... infection (NTM) • Fungal ... malignancy, and chronic ... TB #Diagnosis #Management ... #Treatment #ActiveTB
Causes of Night Sweats - Differential Diagnosis
 • Malignancy: Lymphoma, Leukemia, Other neoplasm
 • Infections: Human
Causes of Night ... mononucleosis, Fungal ... coccidioidomycosis), Lung ... Orchiectomy • Rheumatologic ... , Chronic fatigue