9 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... reticular, nodular, high ... lung disease and ... Pattern #Differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... throughout the lungs ... #Pattern #Chest ... diagnosis #pulmonary #CXR ... #clinical #CT
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Lymphangitic Carcinoma, Interstitial ... Random: Metastases, Miliary ... #Patterns #Differential
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... either random (miliary ... the nodules are diffuse ... NodularPattern #Nodular #Pattern
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia (COP ... BOOP • Type of interstitial ... - Imaging: • CXR ... consolidation and GG pattern ... Pulmonary lymphoma, Diffuse
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
heart failure, COPD ... , Lung cancer, Primary ... Lymphocytic or lymphoid interstitial ... Evaluation: Imaging (CXR ... +/- High res CT
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
EGPA • ESR and CRP ... Other tests: • CT ... sparing of the lung ... seen on chest CT ... • IF staining patterns
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
obstruction • COPD ... Physical stigmata of cor ... Diagnosis: • HRCT (high-resolution ... chest CT) • Broncho-arterial ... Bronchiectasis #pulmonary #differential
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... slow onset and pattern ... weakness • Very high ... methylglutaryl-coenzyme A (HMG-CoA ... #rheumatology #differential