19 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... #Clinical #Radiology ... #HRCT #CTChest ... #Nodular #Pattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... pattern. 1. ... histiocytosis: early nodular ... #Clinical #Diagnosis ... #CTChest #Nodular
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... on a chest x-ray ... opacities - Fine Nodular ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Tuberculosis - Patterns ... Inhomogeneous patchy nodular ... empyema - Air-fluid ... #chest #xray #clinical ... #radiology #CXR
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
nodules. ... can suggest the diagnosis ... abutting the pleura, air-bronchograms ... vessel sign (7) ... #Clinical #Radiology
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... consolidation or nodular ... #Crescent #Sign ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #CTChest #Cystic
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram ... Sign on Chest CT ... edema, severe ILD ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
cases) or mosaic pattern ... bronchiolitis with air ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... HypersensitivityPneumonitis #Nodular
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Tree-in-Bud Sign ... centrilobular nodules ... linear branching pattern ... Lung #Pulmonary #diagnosis ... #radiology #clinical