13 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
the overlap in differential ... the reticular pattern ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... Nodular #Differential
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular pattern ... to distinguish perilymphatic ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... MultipleNodules #Nodules #Differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
on HRCT Most of ... disease comes from HRCT ... On HRCT there are ... Diagnosis #Radiology #Pulmonary ... #Pattern #Differential
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... in the nodular pattern ... Diagnosis #Radiology #Pulmonary ... #HRCT #NodularPattern ... #Nodular #Pattern
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... low attenuation pattern ... on the basis of HRCT ... Diagnosis #Radiology #Pulmonary ... LowAttenuation #Differential
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... suspect UIP on the CXR ... A HRCT is needed ... Here a CXR with ... HRCT demonstrated
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... the dominant HR-pattern ... centrilobular, perilymphatic ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... in ground glass pattern ... Diagnosis #Radiology #Pulmonary ... #GroundGlass #Differential
Metastases
Metastases are the most common cause of multiple pulmonary masses.
Usually they vary in size and are
cause of multiple pulmonary ... HRCT will demonstrate ... diseases that have a perilymphatic ... Clinical #Radiology #CXR
Cryptogenic Organizing Pneumonia (COP)

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