15 results
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
CT • Parallel, ... Cylindrical or traction bronchiectasis ... necrotizing pna, ABPA ... #Lung #Pulmonary ... diagnosis #radiology #clinical
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung ... aspergillosis (ABPA ... CT demonstrated ... #Clinical #Radiology ... #CXR #CTChest #
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Alveolar Proteinosis, Lymphoma ... Sarcoidosis • Bronchiectasis ... Cystic Fibrosis, ABPA
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Hypersensitivity: ABPA ... in the adjacent lung ... of the affected lung ... CT) • Broncho-arterial ... #pulmonary #differential
Signet Ring Sign on Chest CT
 • Prominently dilated airway compared to its accompanying pulm vessel.
CT • Prominently ... • DDx: Bronchiectasis ... Signet #Ring #Sign #CT ... #Lung #Pulmonary ... diagnosis #radiology #clinical
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... • Malignancy: Lymphoma ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
CT Angiogram Sign on Chest CT
 • Prominent pulm vessels traversing through an area of parenchymal
CT Angiogram Sign ... on Chest CT • ... adeno Ca, pulm lymphoma ... #Lung #Pulmonary ... diagnosis #radiology #clinical
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... Lymphocytic or lymphoid ... CXR +/- High res CT ... chest scan), CBC ... diagnosis #evaluation #differential
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... • Chronic lung ... disease • Bronchiectasis ... Chest CT: • Ground-glass ... • Nodules • Lymphoid
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Broncholithiasis - Differential ... Also known as: Lung ... Broncholithiasis - Clinical ... pneumonia, • Bronchiectasis ... CT • Bronchoscopy