31 results
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 ... #diagnosis #management
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 ... WHAT ARE COMMON CAUSES ... Rheumatologic/Autoimmune diseae
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... • Most common cause ... seen • Chest CT ... #differential #causes ... #management #treatment
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 ... mycobacteria Treatment
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... Bronchiectasis ... Chest CT: • Ground-glass ... and M panel Management ... DDX - Other causes
Antibiotics for severe community-onset pneumonia 

Atypical coverage always 

- Usually azithromycin 500 mg daily 

- Doxycycline
Shock Structural lung ... disease (severe ... COPD, bronchiectasis ... only in selected cases ... Antibiotics #Coverage #Management
Streptococcal Toxic Shock Syndrome (STSS)
Complication of invasive GAS disease characterized by shock & MOF → occurs
of invasive GAS disease ... GAS in 30% of cases ... kidneys, liver, lung ... necrosis STSS Treatment ... #management #diagnosis
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... infections Lungs ... to NTM: Chronic lung ... Centrilobular nodules - Bronchiectasis ... Imaging, high res 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
pneumothorax, bronchiectasis ... Tuberculosis Treatment ... Initiating Treatment ... TB #Diagnosis #Management ... #Treatment #ActiveTB
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
masses & should ... The treatment of ... obstructive pulmonary disease ... coronary artery disease ... Management options