31 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Diagnosis Algorithm ... sweats, chills (infection ... ) • Abnormal CXR ... refer + order CT ... #causes
Causes of Chronic Pediatric Cough - Differential Diagnosis Algorithm
Poor Growth
 - Non-Specific CXR
Causes of Chronic ... Diagnosis Algorithm ... Asthma • Infection ... / CT Scan ... / CT Scan:
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
- Differential ... Malformation Normal CXR ... /CT • Hematemesis ... Bronchitis Diffuse CT ... Pulmonary Vasculitis Infection
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... Lung Abscess - Clinical ... ) • CXR upright ... seen • Chest CT
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... Opacities: • Infectious ... diagnosis #pulmonary #CXR ... #clinical #CT
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 ... Diseases Fellows ... diagnosis #evaluation #differential
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... Clinical history ... head and neck, pancreas ... biliary, renal, lung ... concentration PET-CT
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 ... Rheumatologic/Autoimmune diseae ... pulmonary #diagnosis #differential ... #causes
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... • Chronic lung ... 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
Chronic inflammation causes ... Most Common Causes ... high-resolution chest CT ... mycobacteria Treatment ... Bronchiectasis #pulmonary #differential