16 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
perilymphatic, random and centrilobular ... distribution is likely centrilobular ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Nodules #Differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #Differential # ... Comparison #Table
The distribution of nodules shown on HRCT is the most important factor in making an accurate
shown on HRCT is ... pattern. ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Perilymphatic #Comparison
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
the overlap in differential ... the reticular pattern ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... reticular, nodular ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
linear branching pattern ... nodules. ... #diagnosis #clinical ... #radiology #ChestCT ... #pathophysiology
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... '. - Centrilobular ... #Comparison #Table
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
- Differential ... Low Attenuation Nodular ... Pneumoconiosis • Centrilobular ... Diagnosis #pulmonary ... #radiology
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 ... , NSIP, DIP. - Centrilobular ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary