12 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
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... to think of the differential ... to look at the pattern ... more than one pattern ... Radiology #Pulmonary #CXR
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... opacities, Unilateral consolidation ... and GG pattern, ... • HRCT: patchy consolidation ... Pulmonary lymphoma, Diffuse
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 ... Hemorrhage, Edema • Consolidation ... #Patterns #Differential
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... resulting in lobar, diffuse ... opacities. 2- Interstitial ... Diagnosis #Radiology #CXR ... #Patterns #RadiologyAssistant
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... throughout the lungs ... PulmPEEPs #Miliary #Pattern ... diagnosis #pulmonary #CXR ... #clinical #CT
COVID-19 POCUS

96 yrs old, discharged 3 wks ago for CAP, treated with amox/clav then cefixime. Returns
3 wks ago for CAP ... CXR with consolidation ... High WBC, no leukopenia ... ultrasound bilateral pattern ... POCUS #Clinical #Lung
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... ground glass or consolidative ... sparing of the lung ... seen on chest CT ... • IF staining patterns
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
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
obstruction • COPD ... Physical stigmata of cor ... centrilobular nodules, or consolidation ... Diagnosis: • HRCT (high-resolution ... chest CT) • Broncho-arterial