15 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... On HRCT there are ... #Diagnosis #Radiology ... #Pulmonary #CXR
Comparison of Pathologic Breathing Patterns
Biot's respiration aka ataxic respiration:
 - Periodic breathing: hyperpnea (or normopnea) and
Comparison of Pathologic ... Breathing Patterns ... #Patterns #Respiratory ... #pulmonary #diagnosis ... #comparison #biots
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
in differential diagnosis ... the reticular pattern ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular pattern ... are visible, the pattern ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... NodularPattern #Nodular #Pattern
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... in the nodular pattern ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Perilymphatic #Comparison
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... CTChest #Nodular #Pattern ... #Differential #Comparison
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... in ground glass pattern ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
have specific patterns ... morphologic findings on HRCT ... realise, that these patterns ... #Diagnosis #Radiology ... #Pulmonary #CTChest