118 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
These include: - Emphysema ... Langerhans cell histiocytosis ... TractionBronchiectasis #Cysts #Emphysema
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
(centrilobular emphysema ... Langerhans cell histiocytosis
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Langerhans cell histiocytosis ... Centrilobular emphysema
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
Langerhans cell histiocytosis ... Langerhans cell histiocytosis ... centrilobular emphysema ... Emphysema however ... diseases and also in emphysema
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... Langerhans cell histiocytosis
Emphysema, when it is severe, can mimick Langerhans cell histiosytosis.
When it extends beyond the centrilobular area
Emphysema, when ... Langerhans cell histiosytosis ... also areas of emphysema ... Radiology #CTChest #Emphysema
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
associated pulmonary emphysema ... Langerhans cell histiocytosis ... #Cavity #Cyst #Emphysema
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Langerhans cell histiocytosis ... Centrilobular emphysema
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Attenuation: • Emphysema ... Congenital, Langerhans Histiocytosis
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Centrilobular emphysema ... Langerhans cell histiocytosis