10 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #Nodular #Pattern ... #Comparison #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
#Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential # ... Comparison #Table
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
on Chest CT • ... centrilobular nodules ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical #tree
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
nodules. ... CT demonstrates ... #Clinical #Radiology ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
cases) or mosaic pattern ... opacity due to lung ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... Centrilobular #RadiologyAssistant
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
- Chest Radiology ... small (1 -4 mm) nodules ... throughout the lungs ... #Chest #Radiology ... #CT
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... Hypersensitivity Pneumonitis ... #Clinical #Diagnosis ... #Radiology #CTChest ... #UIP #Comparison
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Signs of fibrosis ... mid and lower lung ... included in the differential ... #Clinical #Radiology ... #CTChest #Chronic
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
The dominant pattern ... these non-specific CT ... #Clinical #Radiology ... #CTChest #RBILD ... #RadiologyAssistant
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
like idiopathic pulmonary ... consider drug-related lung ... disease in the differential ... #Clinical #Radiology ... #CTChest #DrugInduced