2699 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
- Respiratory bronchiolitis ... edema #Diagnosis #Radiology
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Respiratory bronchiolitis ... #Clinical #Radiology
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
predominance: Respiratory bronchiolitis ... pneumonitis, Respiratory bronchiolitis ... #Diagnosis #Radiology
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
causes of infective bronchiolitis ... diagnosis #clinical #radiology
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
atypical pna, Viral bronchiolitis ... Pulmonary #diagnosis #radiology
Here another case of hypersensitivity pneumonitis.
There is a mosaic pattern.
Some secundary lobules demonstrate ground-glass opacity due
lucent due to bronchiolitis ... #Clinical #Radiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Respiratory bronchiolitis ... Clinical #Diagnosis #Radiology
On the left a patient with RB-ILD.
The dominant feature is ground glass opacification and there are
that respiratory bronchiolitis ... #Clinical #Radiology
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Pneumonitis, Respiratory Bronchiolitis ... Diagnosis #pulmonary #radiology
Emphysema, when it is severe, can mimick Langerhans cell histiosytosis.
When it extends beyond the centrilobular area
emphysema, respiratory bronchiolitis ... #Clinical #Radiology