9 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 ... management #phenotypes #workup
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; ... growth with chest CT
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... mononeuritis multiplex WORKUP ... Other tests: • CT ... sparing of the lung ... seen on chest CT
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Connective tissue diseases ... , in advanced disease ... in the adjacent lung ... of the affected lung ... high-resolution chest CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
pneumonia • Chronic ... • Periodontal disease ... loss • Late disease ... seen • Chest CT ... #Abscess #pulmonary
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Immunocompromised status • Chronic ... lung disease ... Illnesses: • Pulmonary ... encounters due to NTM: Chronic ... Imaging, high res CT
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 ... Infectious Diseases ... Infections #HIVAIDS #workup
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Also known as: Lung ... • Nonspecific chronic ... into the aorta or pulmonary ... bronchus • Chest CT ... Tracheobronchial Diseases
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... Abdominal pain, chronic ... Infections #HIV #AIDS #pulmonary