20 results
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 ... Central #Peripheral #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic distribution ... thickening in the reticular ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
- Aspiration - Pulmonary ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... Differential #Table #Distribution ... #Upper #Lower #RadiologyAssistant
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
CT to rule out pulmonary ... gravitational distribution ... #Clinical #Radiology ... SeptalThickening #CHF ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
disease comes from HRCT ... On HRCT there are ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
in a mid zone distribution ... The HRCT shows a ... and intralobular reticular ... #Clinical #Radiology ... Chronic #Fibrosis #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... and perihilar distribution ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
in number, the distribution ... periplymphatic distribution ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Differential #Algorithm #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
The distribution ... nodules shown on HRCT ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Comparison #Diagram #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
The pulmonary vascular ... during a period of CHF ... #Clinical #Radiology ... #CXR #CHF #Cephalization ... #RadiologyAssistant