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On the left a patient with rheumatoid arthritis and bilateral peripheral consolidations as a result of
arthritis and bilateral ... as a result of organizing ... Clinical #Radiology #CTChest ... RheumatoidArthritis #ILD ... #RadiologyAssistant
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
multiple small bilateral ... in the former case ... Clinical #Radiology #CTChest ... #Pneumonia #ILD ... #RadiologyAssistant
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Lung Diseases (ILD ... Exposure-Related ILD ... ILD caused by inhalation ... Methotrexate ILD ... ), Cryptogenic organizing
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
findings in OP - Bilateral ... with the typical bilateral ... Clinical #Radiology #CTChest ... #Pneumonia #ILD ... #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Cryptogenic Organizing ... Unknown • 6-7 cases ... of opacities, Unilateral ... Treatment: • Mild ... BOOP #pulmonary #ILD
Typical UIP with honeycombing and traction bronchiectasis in a patient with idiopathic pulmonary fibrosis (IPF) #Clinical
Clinical #Radiology #CTChest ... #UIP #IPF #ILD ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
lobar pneumonia caused ... Other examples are organizing ... OP is organizing ... The old name is ... Differential #Table #RadiologyAssistant
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Cardiovascular Causes ... • Parenchyma: ILD ... syndrome Other Causes ... of Dyspnea: • Chest ... Obesity - Flail chest
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
larger ones are ill-defined ... masses. ... the diagnosis of organizing ... #Distribution #Organizing ... OrganizingPneumonia #BOOP #RadiologyAssistant
On the left two cases of NSIP.
Note the varying combination of GGO and fibrosis (traction bronchiectasis),
On the left two cases ... Clinical #Radiology #CTChest ... NonspecificInterstitialPneumonia #ILD ... #RadiologyAssistant