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Crazy Paving is a combination of ground glass opacity with superimposed septal thickening (5).
It was first
Crazy Paving is ... Bronchoalveolarca (BAC) - Pulmonary ... heart failure, ARDS ... , AIP) #Clinical ... #Radiology #CTChest
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Cardiogenic pulmonary ... septal thickening (crazy ... Cardiogenic pulmonary ... #Clinical #Radiology ... #Pulmonary #CTChest
#radiology #ctchest #differential

Differential Diagnosis of Ground-glass Opacity.

Some abbreviations
HP: Hypersensitive pneumonitis
DIP: Desquamative interstitial pneumonia
PAP: Pulmonary alveolar proteinosis
MIA:
#radiology #ctchest ... Hypersensitive pneumonitis DIP ... pneumonia PAP: Pulmonary ... alveolar proteinosis ... adenocarcinoma AIS
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
Crazy Paving on ... pna, pulm hge, ARDS ... Sign #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Notice that even within each lobe there is a gravity dependent difference in density.
This is only
capillary leak like in ARDS ... #Clinical #Radiology ... #CTChest #CHF # ... Alveolar #Pulmonary ... #Edema #AlveolarEdema
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
characterized by diffuse alveolar ... distress syndrome (ARDS ... , often with a crazy ... #Clinical #Radiology ... #CTChest #AIP #
On the left a patient with both septal thickening and ground glass opacity in a patchy
findings is called 'crazy ... Crazy paving was ... distress syndrome and pulmonary ... #Clinical #Radiology ... #CTChest #SeptalThickening
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
consolidations and air ... redistribution of the pulmonary ... #Clinical #Radiology ... #Pulmonary #Edema ... #AlveolarEdema
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Cardiogenic pulmonary ... Alveolar proteinosis ... septal thickening (crazy ... #Clinical #Radiology ... #HRCT #CTChest