16 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
histiocytosis) - Bronchiectasis ... Honeycombing Most diseases ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... #Differential #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Connective tissue diseases ... Hypersensitivity: ABPA ... in the adjacent lung ... of the affected lung ... #pulmonary #differential
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Alveolar Proteinosis, Lymphoma ... Sarcoidosis • Bronchiectasis ... Cystic Fibrosis, ABPA ... #Diagnosis #pulmonary
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
In chronic disease ... - Lung neoplasms ... carcinoma and lymphoma ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... • Malignancy: Lymphoma ... #diagnosis #pulmonary ... #CXR #clinical
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 ... Pulmonary Diseases ... #diseases #differential
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 ... Infectious Diseases ... diagnosis #evaluation #differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... disease comes from ... disease and what ... Diagnosis #Radiology #Pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Blood cultures • CXR ... ) • CXR upright ... Abscess Differential ... #Abscess #pulmonary ... #differential #
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Sarcoidosis • Lymphoma ... • Lung cancer ... pneumothorax, bronchiectasis ... and Culture • CXR ... • Check CXR and