15 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... low attenuation (table ... lung disease and ... Diagnosis #Radiology #Pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... left in order of relative ... morphologic findings on HRCT ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... lung disease (i.e ... Diagnosis #Radiology #Pulmonary ... #CTChest #GGO # ... #GroundGlass #Differential
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... lung disease, it ... diagnosis (Table ... pulmonary edema ... #HRCT #CTChest
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Diagnosis Algorithm ... Limitation • Interstitial ... lung disease ... Abnormalities • Chest
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... bronchovascular interstitium ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... MultipleNodules #Nodules #Differential
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Diagnosis Algorithm ... Artery Disease • Stable ... Thickening/Masses Chest ... Interstitium
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... bronchovascular interstitium ... #Clinical #Radiology ... #Pulmonary #CTChest ... #Comparison #Table
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... shows a small, stable ... Abscess Differential ... #Abscess #pulmonary ... #differential #
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Cardiogenic pulmonary ... peribronchovascular interstitium ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table