19 results
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
or interstitial lung ... predominance: UIP ... Hypersensitivity pneumonitis ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Tree-in-Bud Sign ... bronchiolitis, aspiration pneumonitis ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical #tree
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Sign on Chest CT ... #Bronchogram #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Pneumonitis 3. ... Lung Abscess - Clinical ... seen • Chest CT ... pneumonectomy if fail
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... CT • Air surrounding ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Hypersensitivity Pneumonitis ... throughout the whole lung ... #Clinical #Diagnosis ... #Radiology #CTChest ... Fibrosis #Mimic #ILD #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
scan, indicating air ... Signs of fibrosis ... mid and lower lung ... #Clinical #Radiology ... HypersensitivityPneumonitis #Fibrosis #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
can heal and end up ... the surrounding lung ... #Clinical #Diagnosis ... #Radiology #CTChest ... Emphysema #Comparison #RadiologyAssistant