36 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 ... #CXR #CTChest #
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
, NSIP, DIP. - Centrilobular ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO # ... #GroundGlass #Differential
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... Subacute stage: - RB-ILD ... In chronic HP fibrotic ... #Clinical #Diagnosis ... #Radiology #CTChest
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... central dot. - LIP ... #Clinical #Diagnosis ... #Radiology #CTChest
Galaxy Sign on Chest CT
 • Coalescent granuloma with a central dense mass and tiny peripheral
Galaxy Sign on Chest ... CT • Coalescent ... progressive massive fibrosis ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
Even fibrosis as ... in UIP, NSIP and ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Consolidation #Differential
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Diagnosis Framework ... Differential #Diagnosis ... #pulmonary #radiology
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
abnormalities and signs ... of fibrosis are ... smoking #Clinical #Radiology ... #CTChest #DIP # ... DesquamativeInterstitialPneumonia #ILD
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram Sign ... on Chest CT • ... edema, severe ILD ... #Bronchogram #Sign ... #diagnosis #radiology
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... on Chest CT • Parallel ... bronchiectasis, CF, ILD ... #Tram #Track #Sign ... #diagnosis #radiology