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Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Central distribution ... and cardiogenic pulmonary ... #Differential #Table ... #Distribution #Central ... #Peripheral #RadiologyAssistant
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
in normal lung, pulmonary ... disease, idiopathic pulmonary ... bronchiectasis due to pulmonary ... subpleural, basal reticular ... #Correlation #Table
Here are the most common examples of these four patterns on a chest x-ray (click image
Interstitial - Reticular ... interstitial opacities - Fine ... mass - Solitary Pulmonary ... Consolidation #Patterns #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
four patterns: reticular ... low attenuation (table ... have thick walls like ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... nodules along the central ... Diagnosis #Radiology #Pulmonary ... #RadiologyAssistant
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... with caution in pulmonary ... with caution in pulmonary ... underlying cause #Stable ... management #cardiology #algorithm
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... predominance (Kerley B lines ... Pattern #Comparison #Table ... #RadiologyAssistant
Size
A solitary pulmonary nodule (SPN) is defined as a single intraparenchymal lesion less than 3 cm
Size A solitary pulmonary ... listed in the table ... benign nodule detection ... EBM #Radiology #Pulmonary ... MalignancyRate #Rate #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Cardiogenic pulmonary ... thickening of the central ... Cardiogenic pulmonary ... Differential #Comparison #Table ... #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
in a pattern of reticular ... differential diagnosis (Table ... in interstitial pulmonary ... edema (Kerley B lines ... #Differential #RadiologyAssistant