24 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Cysts #Differential ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
(LAM): regular cysts ... #Clinical #Radiology ... #HRCT #CTChest ... LowAttenuation #Cystic ... Pattern #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... The cystic pattern ... When the cysts have ... #Diagnosis #Radiology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... TractionBronchiectasis #Cysts
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
before the typical cysts ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Antitripsyn Def • Cysts ... Infection, Aspiration, Cystic ... #CT #Patterns #Differential ... Diagnosis #pulmonary #radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... them from cysts ... Clinical #Diagnosis #Radiology ... #CTChest #Cavity
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
before the typical cysts ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
or tumor cells (Table ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Consolidation #Differential