17 results
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Metastases - Interstitial ... - Reticular - ... Edema - Congestive ... Radiology #Patterns #Lung ... #CXR #XRay #ChestCT
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... lung disease and ... in many cases UIP ... Diagnosis #Radiology #Pulmonary ... #CXR #Interstitial
On the left a chest film of a patient with UIP due to IPF.
The findings on
changes in the basal lung ... reticulation with a lower lobe ... Clinical #Radiology #CXR ... #CTChest #UIP # ... UsualInterstitialPneumonitis #Usual #Interstitial
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
The CXR demonstrates ... a reticular interstitial ... preference at the lung ... #UIP #CTChest # ... Reticular #Interstitial
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary ... On a chest X-ray ... at the lung bases ... #UIP #Reticular ... #Interstitial #
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
spaces with pus, edema ... lung disease (i.e ... predominance: UIP ... Diagnosis #Radiology #Pulmonary ... #CTChest #GGO #
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... in a pattern of reticular ... lung disease, it ... pulmonary edema ... #HRCT #CTChest
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Ulcers, Livedo reticularis ... friction rub audible Lungs ... pleural effusion on CXR ... tends to cause interstitial ... lung disease/pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Left Shunt - Anatomic ... Edema, Atelectasis ... , Obstructive Lung ... Disease, Interstitial ... Lung Disease
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... edema - filling ... this is nodular interstitial ... lung disease, that ... Diagnosis #Radiology #CXR