13 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... Diagnosis #Radiology #Pulmonary ... #CXR #Interstitial ... #Pattern #Differential
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... Consolidation - Lobar ... mass - Solitary Pulmonary ... Clinical #Radiology #CXR ... Consolidation #Patterns
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Metastases - Interstitial ... Nodular - Acute Interstitial ... Diseases #Radiology #Patterns ... #Lung #CXR #XRay ... #ChestCT #Differential
Based on the images alone, it is usually not possible to determine the cause of the
Lobar pneumonia ... this is nodular interstitial ... lung disease, that ... Diagnosis #Radiology #CXR ... #Lobar #Consolidation
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... A HRCT is needed ... at the lung bases ... HRCT demonstrated ... UIP #Reticular #Interstitial
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... substances resulting in lobar ... opacities. 2- Interstitial ... Diagnosis #Radiology #CXR ... Consolidation #Patterns
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
- Lobar or focal ... For instance a lobar ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation ... #Lobar #Diffuse
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 ... in ground glass pattern ... Diagnosis #Radiology #Pulmonary ... #GroundGlass #Differential
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
absent or few in number ... bronchovascular interstitium ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... MultipleNodules #Nodules #Differential
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... consolidation and GG pattern ... , cavities • HRCT ... eosinophilia pneumonia, Pulmonary ... Pneumonia #COP #BOOP #pulmonary