11 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
BOOP • Type of interstitial ... irregular lines, nodular ... , cavities • HRCT ... Anti-dsDNA, ANCA COP ... pneumonia’s, Hypersensitivity
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Non specific interstitial ... Cryptogenic organizing pneumonia ... Clinical #Radiology #HRCT ... #CTChest #HighAttenuation ... Comparison #Table #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
The HRCT shows a ... hyperaerated secondary nodules ... and secondry nodules ... Radiology #CXR #CTChest ... Chronic #Fibrosis #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Lymphangitic Carcinoma, Interstitial ... Low Attenuation Nodular ... Edema, Hemorrhage, Pneumonia ... Pneumonia, COP, ... Sarcoidosis, NSIP, COP
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
pneumonias (IIPs ... morphologic findings on HRCT ... of NSIP, UIP, OP ... Radiology #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
This patient presented with acute dyspnoe and a normal chest film (not shown).
The HRCT at presentation
(left) shows lobular ... areas of ground ... A control HRCT ten ... Clinical #Radiology #CTChest ... HypersensitivityPneumonitis #Resolution #RadiologyAssistant
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... restricted to areas ... Clinical #Radiology #CTChest ... #Organizing #Pneumonia ... #ILD #RadiologyAssistant
On the left two different patients with similarl HRCT findings.
The left one is a smoker with
with similarl HRCT ... the right has hypersensitivity ... pneumonits. ... Clinical #Radiology #CTChest ... HypersensitivityPneumonitis #ILD #RadiologyAssistant
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
injury • Indirect hypersensitivity ... multiple pulmonary nodules ... • Reticular + Nodular ... confirmatory findings on HRCT ... LDH • ↑ ESR, CRP
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... pneumonia (AIP, ... aswell as the HRCT ... Clinical #Radiology #CTChest ... AcuteInterstitialPneumonia #ILD #RadiologyAssistant