11 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Peripheral distribution ... (COP), chronic ... eosinophilic pneumonia ... Radiology #Pulmonary #HRCT ... #ChestCT #Differential
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... : Peripheral distribution ... , cavities • HRCT ... , Chronic eosinophilia ... #ILD #diagnosis
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
cHP = chronic hypersensitivity ... pneumonitis; HRCT ... usual interstitial pneumonia ... pulmonary #diagnosis #algorithm ... #HP #ILD
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... Chronic diseases ... perihilar (batwing) or peripheral ... (OP) and chronic ... Radiology #Pulmonary #CXR
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... peripheral consolidations ... Clinical #Radiology #CTChest ... #COP #Cryptogenic ... #ILD #RadiologyAssistant
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
two cases with chronic ... subpleural and peripheral ... (COP). ... pneumonia the HRCT ... Clinical #Radiology #CTChest
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
There is a peripheral ... dealing with the differential ... diagnosis of chronic ... (OP) also known ... Clinical #Radiology #CXR
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Dyspnea - Differential ... Diagnosis Algorithm ... Pulmonary Alveoli • Pneumonia ... Interstitium • ILD
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... Subacute stage: - RB-ILD ... show very similar HRCT ... parenchyma from the periphery ... Diagnosis #Radiology #CTChest
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... obstruction • COPD ... Physical stigmata of cor ... Diagnosis: • HRCT ... Bronchiectasis #pulmonary #differential