14 results
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
(NTM) • Fungal ... characteristic features Clinical ... Diagnosis: Latent ... #TB #Diagnosis ... #Management #Treatment
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
(NTM) • Fungal ... characteristic features Clinical ... Diagnosis: Latent ... #TB #Diagnosis ... #Management #Treatment
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
: Chronic lung infections ... Kansasii: • Mimics TB ... Pulmonary Disease ... Diagnosis Of NTM ... Imaging, high res CT
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... , NTM (M.kansasii ... failure, COPD, Lung ... Fungal, AFB), TB ... Diseases Fellows
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
ON CT? ... (Bacterial, TB, ... NTM, Fungal) 4 ... /Autoimmune diseae ... Bronchiectasis #pulmonary
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... Granulomatous lymphocytic interstitial ... lung disease (GLILD ... Chest CT: • Ground-glass ... #diagnosis #management
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
: TB, NTM, PNA ... in the adjacent lung ... of the affected lung ... high-resolution chest CT ... mycobacteria Treatment
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Lung Abscess - Clinical ... seen • Chest CT ... #treatment #diagnosis
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
rash) • Heart, lung ... erythematosus [SLE ... #Syndrome #Diagnosis ... #Management #Hematology ... #Rheumatology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... infiltrates, mimicking TB ... fever, rales, interstitial ... #AIDS #pulmonary