21 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity ... pneumonitis: ill ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity ... Hypersensitivity ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... Comparison #Table #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... histiocytosis - Hypersensitivity ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Upper #Lower #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #Perilymphatic ... #RadiologyAssistant
Ill defined centrilobular nodules of ground glass density in a patient with hypersensitivity pneumonitis #Clinical #Radiology
Ill defined centrilobular ... nodules of ground ... pneumonitis #Clinical #Radiology ... #CTChest #Hypersenstitivity ... Centrilobular #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
The HRCT shows a ... and secondry nodules ... #Clinical #Radiology ... #CXR #CTChest # ... Chronic #Fibrosis #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern ... Differential #Algorithm #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... consolidation - Multifocal ill-defined ... mass - Solitary Pulmonary ... Diagnosis #Clinical #Radiology ... Consolidation #Patterns #RadiologyAssistant
This patient presented with acute dyspnoe and a normal chest film (not shown).
The HRCT at presentation
(left) shows lobular ... A control HRCT ten ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... HypersensitivityPneumonitis #Resolution #RadiologyAssistant
On the left two different patients with similarl HRCT findings.
The left one is a smoker with
with similarl HRCT ... the right has hypersensitivity ... #Clinical #Radiology ... #CTChest #RBILD ... #RadiologyAssistant