18 results
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
Bronchiectasis - ... CAN YOU SEE ON CT ... involving both lungs ... Rheumatologic/Autoimmune diseae ... #pulmonary #diagnosis
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... Evaluation: Imaging (CXR ... +/- High res CT ... Infectious Diseases ... HIVAIDS #workup #diagnosis
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Connective tissue diseases ... in the adjacent lung ... of the affected lung ... high-resolution chest CT ... #diagnosis
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... head and neck, pancreas ... biliary, renal, lung ... concentration PET-CT ... increased IgG4+ cells
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Blood cultures • CXR ... ) • CXR upright ... seen • Chest CT ... #Abscess #pulmonary
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
area of the left lung ... treatment for pulmonary ... #Clinical #PCC # ... Radiology #CXR # ... Oleothorax #NEJM
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... Differential Diagnosis ... #pulmonary #CXR ... #clinical #CT
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
macrophages and T cells ... Langerhans giant cells ... pneumothorax, bronchiectasis ... and Culture • CXR ... • Check CXR and
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Centrilobular nodules - Bronchiectasis ... Advanced HIV (CD4 cell ... Diagnosis Of NTM ... Lung Disease: ... Imaging, high res CT
Common Variable Immunodeficiency (CVID)

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