11 results
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Thickening of the interstitium ... ) or interstitial ... in ground glass pattern ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... presenting as areas ... with peripheral areas ... Broncho-alveolar ... #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... in many cases UIP ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Interstitial #
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... realise, that these patterns ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
neck (shown in video ... from these areas ... between intra-alveolar ... and perivascular interstitium ... in subcutaneous areas
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Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... characterized by diffuse alveolar ... The histologic pattern ... There are areas ... and extensive areas
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... differential diagnosis (Table ... pulmonary edema ... or lymphoma and alveolar ... #Diagnosis #Radiology
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... peribronchovascular interstitium ... Alveolar proteinosis ... #Clinical #Radiology ... #Comparison #Table
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
leakage into the interstitium ... severe diseased areas ... consolidations and air ... #Clinical #Radiology ... #Pulmonary #Edema
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
with areas of ground-glass ... attenuation and areas ... scan, indicating air ... findigs alone, alveolar ... #Clinical #Radiology