11 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Emphysema - Lung ... histiocytosis) - Bronchiectasis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Diagnosis Framework ... Alveolar Proteinosis, Lymphoma ... Sarcoidosis • Bronchiectasis ... Cystic Fibrosis, ABPA ... #Diagnosis #pulmonary
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
extending to the lung ... Cylindrical or traction bronchiectasis ... necrotizing pna, ABPA ... Track #Sign #CT #Lung ... #Pulmonary #diagnosis
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 ... #pulmonary #differential ... #diagnosis
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Diagnosis of Miliary ... • Malignancy: Lymphoma ... #Radiology #differential ... #diagnosis #pulmonary
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Upper Lobe Lung ... - Aspergillus/ABPA ... caused by a rigid chest ... #diseases #differential ... #diagnosis #mnemonic
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... Lymphocytic or lymphoid ... /- High res CT chest ... HIVAIDS #workup #diagnosis ... #evaluation #differential
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Broncholithiasis - Differential ... Also known as: Lung ... pneumonia, • Bronchiectasis ... Broncholithiasis #Differential ... #Diagnosis #pulmonary
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Centrilobular nodules - Bronchiectasis ... • Dyspnea, • Chest ... Diagnosis Of NTM ... Exclusion of other diagnosis ... NTM #Infections #differential
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... with interstitial lung ... diagnosis (Table ... #Pulmonary #HRCT ... #CTChest #Reticular