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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 ... , AIP) #Clinical ... #Radiology #CTChest ... #Paving #Alveolar
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Cardiogenic pulmonary ... septal thickening (crazy ... paving). 6. ... #Clinical #Radiology ... #Pulmonary #CTChest
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
) Day 2 - some pulmonary ... Progressing to diffuse alveolar ... differential diagnosis of pulmonary ... #Clinical #Radiology ... #CXR #ChestXRay
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
Crazy Paving on ... pna, pulm hge, ARDS ... CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
On the left another patient with alveolar edema at admission, which resolved after treatment.
When you scroll
another patient with alveolar ... #Clinical #Radiology ... #CXR #CHF #Alveolar ... #Pulmonary #Edema ... #AlveolarEdema
On the left a patient with both septal thickening and ground glass opacity in a patchy
findings is called 'crazy ... paving'. ... Crazy paving was ... distress syndrome and pulmonary ... #Clinical #Radiology
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
characterized by diffuse alveolar ... distress syndrome (ARDS ... paving appearance ... density with a crazy-paving ... #Clinical #Radiology
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
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
redistribution of the pulmonary ... #Clinical #Radiology ... #CXR #CHF #Alveolar ... #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 ... paving). 6. ... #Clinical #Radiology