16 results
Causes of Nail Clubbing - Mnemonic 
Cyanotic Heart Disease, Cystic Fibrosis
Lung Cancer, Lung abscess 
Ulcerative Colitis
Causes of Nail Clubbing ... Cyanotic Heart Disease ... Cystic Fibrosis Lung ... Cancer, Lung abscess ... Ulcerative Colitis Bronchiectasis
Regression of Clubbing after Treatment of Lung Cancer #Clinical #PhysicalExam #Radiology #Clubbing #Regression #LungCancer #CT #NEJM
Regression of Clubbing ... after Treatment ... of Lung Cancer ... Regression #LungCancer #CT ... #NEJM
Nail Clubbing - Differential Diagnosis Algorithm
Bronchopulmonary Disease
 • Bronchiectasis
 • Chronic Lung Infection
 • Lung Cancer
Nail Clubbing - ... • Bronchiectasis ... • Chronic Lung ... Infection • Lung ... Diagnosis #Algorithm #causes
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
disease or CHF) ... lymadenopathy, clubbing ... refer + order CT ... disease #Chronic ... Diagnosis #Algorithm #causes
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... • Wheezing • Clubbing ... Most Common Causes ... high-resolution chest CT ... mycobacteria Treatment
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
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 ... IgG4 #Related #Disease
Lung Abscess - Diagnosis and Management Summary

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

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