12 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
affecting the lungs ... • Silicosis • Chronic ... • Progressive lung ... malignancy, and chronic ... #Diagnosis #Management
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
affecting the lungs ... • Silicosis • Chronic ... • Progressive lung ... malignancy, and chronic ... #Diagnosis #Management
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... failure, COPD, Lung ... CXR +/- High res CT ... Fungal, AFB), TB ... Diseases Fellows
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
: TB, NTM, PNA ... , in advanced disease ... in the adjacent lung ... of the affected lung ... high-resolution chest CT
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... lung disease ... Chest CT: • Ground-glass ... and M panel Management ... Malignancies • Chronic
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... Immunodeficiency 3) Infection ... (Bacterial, TB, ... Rheumatologic/Autoimmune diseae ... Bronchiectasis #pulmonary
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... encounters due to NTM: Chronic ... lung infections ... Kansasii: • Mimics TB ... Imaging, high res CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... pneumonia • Chronic ... seen • Chest CT ... westermani • Other: TB ... #Abscess #pulmonary
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
a repeat chest CT ... comorbidities, such as chronic ... disease and coronary ... artery disease; ... Management options
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... confirm DAH, r/o infection ... sparing of the lung ... seen on chest CT ... differential #diagnosis #management