8 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... the nodules are diffuse ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #NodularPattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Miliary TB: random ... Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... #Pattern #NodularPattern
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Chronic diseases ... to look at the pattern ... more than one pattern ... lobar pneumonia caused ... Diagnosis #Radiology #Pulmonary
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... on a chest x-ray ... consolidation - Diffuse ... mass - Solitary Pulmonary ... Nodule - Multiple Masses
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Differential Diagnosis Algorithm ... Chest Wall Abnormalities ... Interstitium • ILD ... #Causes
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... perilymphatic or random ... #HRCT #CTChest ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... consolidation and GG pattern ... organizing pneumonia, Chronic ... lymphoma, Diffuse ... #ILD #diagnosis
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
Chronic toxicity ... (e.g., chronic ... • Patchy or diffuse ... Exclude other causes ... Exclusion of other ILDs