12 results
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... Perilymphatic distribution ... structures of the lung ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic distribution ... Perilymphatic nodules ... in differential diagnosis ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
to distinguish perilymphatic ... in number, the distribution ... distribution. - ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Central distribution ... and cardiogenic pulmonary ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #Table
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... edema #Diagnosis ... #Radiology #Pulmonary ... #HRCT #ChestCT ... #Distribution #
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
distribution, along ... distribution, along ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... Differential #Comparison #Table
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... , pulmonary congestion ... #Clinical #Diagnosis ... #HRCT #POCUS #Lung ... #Correlation #Table
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 #LungMets #Lung
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... low attenuation (table ... #Diagnosis #Radiology ... #Pulmonary #CXR
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... or interstitial lung ... Centrilobular distribution ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary