8 results
Alveolar proteinosis is a rare disease characterized by filling of the alveolar spaces with PAS positive
the suggestive HRCT ... pattern (crazy ... #Clinical #Radiology ... #CTChest #AlveolarProteinosis ... #CrazyPaving #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
predominance (Kerley ... Alveolar proteinosis ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Key findings in alveolar proteinosis
- Crazy paving pattern: reticular pattern superimposed on ground glass opacification.
- Opacifications
: reticular pattern ... proteinacious material ... #Clinical #Radiology ... #CTChest #AlveolarProteinosis ... #CrazyPaving #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... pulmonary edema (Kerley ... or lymphoma and alveolar ... #Pulmonary #HRCT ... #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... The differential ... are confluent, HRCT ... #Clinical #Radiology ... #CTChest #GGO #
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... centrilobular emphysema. - Alveolar ... show very similar HRCT ... #Clinical #Diagnosis ... #Radiology #CTChest
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
be high in the differential ... presentation of alveolar ... #Clinical #Radiology ... #CTChest #CHF # ... IntersitialEdema #Septal #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
findigs alone, alveolar ... included in the differential ... #Clinical #Radiology ... #CTChest #Chronic ... #Fibrosis #RadiologyAssistant