13 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Central distribution ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #Table ... Central #Peripheral #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... Centrilobular distribution ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Pulmonary edema #Diagnosis ... #HRCT #ChestCT ... #Differential #Table ... #Distribution # ... Upper #Lower #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... low attenuation (table ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... making an accurate diagnosis ... peribronchovascular interstitium ... #Diagnosis #Radiology ... Comparison #Diagram #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
in number, the distribution ... bronchovascular interstitium ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Differential #Algorithm #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... listed in the table ... morphologic findings on HRCT ... #Diagnosis #Radiology ... ILD #Findings #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
and perihilar distribution ... peribronchovascular interstitium ... #Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
pattern in a mosaic distribution ... The differential diagnosis ... are confluent, HRCT ... #CTChest #GGO # ... HypersenstitivityPneumonitis #RadiologyAssistant
The predominant finding is ground glass opacity (GGO).
There is very subtle traction bronchiectasis, indicating that the
see the classic distribution ... suggestive for the diagnosis ... the most common interstitial ... #Clinical #Radiology ... NonspecificInterstitialPneumonia #ILD #RadiologyAssistant