9 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
septal thickening ... in the reticular ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #Differential #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... #CTChest #Reticular ... #Pattern #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 ... in interstitial pulmonary ... Nodular or irregular ... #HRCT #CTChest ... #Differential #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... along interlobular septa ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... Differential #Algorithm #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
shown on HRCT is ... , interlobular septa ... Diagnosis #Radiology #Pulmonary ... Perilymphatic #Comparison ... #Diagram #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 ... , nodular, high ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
The HRCT shows a ... and secondry nodules ... Additionally there is septal ... and intralobular reticular ... Chronic #Fibrosis #RadiologyAssistant
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 ... dominant HR-pattern: reticular ... nodular high attenuation ... Diagnosis #Radiology #Pulmonary ... Algorithm #ILD #RadiologyAssistant
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
starting amiodarone treatment ... nodules and masses ... + Nodular opacities ... confirmatory findings on HRCT ... macrophages Treatment