24 results
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung cysts ... Langerhans cell histiocytosis ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... Comparison #LAM #LIP #Histiocytosis
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Langerhans cell histiocytosis ... : round cysts, evenly ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Cysts #Differential
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell histiocytosis ... multiple thick walled cysts ... (LAM): regular cysts ... #Clinical #Radiology ... #HRCT #CTChest
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... Langerhans cell histiocytosis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... TractionBronchiectasis #Cysts
On the left another case of Langerhans' cell histiocytosis.
It started as small noduli, which progressed over
the left another case ... Langerhans' cell histiocytosis ... bizarre shaped cysts ... #Clinical #Radiology ... #CTChest #LCH #
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
Langerhans cell histiocytosis ... airspaces Cysts ... There are no cysts ... #Clinical #Radiology ... #CTChest #LCH #
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Langerhans cell histiocytosis ... before the typical cysts ... #Clinical #Radiology ... #HRCT #CTChest
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
The cystic pattern ... When the cysts have ... Langerhans cell histiocytosis ... seen and in many cases ... #Diagnosis #Radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
between cavities and cysts ... Cysts occur without ... Cysts usually contain ... Langerhans cell histiocytosis ... #CTChest #Cavity
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Antitripsyn Def • Cysts ... Congenital, Langerhans Histiocytosis ... Infection, Aspiration, Cystic ... Diagnosis #pulmonary #radiology