8 results
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung cysts ... Diagnosis #Radiology #CTChest ... #Cystic #Comparison ... #LAM #LIP #Histiocytosis ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Langerhans cell histiocytosis ... Nodular LCH: - Sarcoidosis ... Cystic LCH: - LAM ... #Differential #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell histiocytosis ... Lymphangiomyomatosis (LAM ... Radiology #HRCT #CTChest ... #Pattern #Comparison ... #Table #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
(LAM, LIP, Langerhans ... cell histiocytosis ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... Differential #Diagram #Comparison
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 ... Radiology #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Langerhans cell histiocytosis ... before the typical cysts ... #CTChest #Nodular ... #Differential #Comparison ... #Table #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
associated pulmonary ... Langerhans cell histiocytosis ... Diagnosis #Radiology #CTChest ... Emphysema #Comparison ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
patterns: reticular, nodular ... The cystic pattern ... Langerhans cell histiocytosis ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant