9 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Cystic LCH: - LAM ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Differential #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
(LCH): multiple ... thick walled cysts ... ): regular cysts ... #Clinical #Radiology ... #Pattern #Comparison
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... (LAM, LIP, Langerhans ... cell histiocytosis ... #Diagnosis #Radiology ... TractionBronchiectasis #Cysts
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung cysts ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cystic #Comparison ... #LAM #LIP #Histiocytosis
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
): uniform cysts ... bizarre shaped cysts ... Honeycombing 4. ... #Clinical #Radiology ... #Pattern #Comparison
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... The cystic pattern ... When the cysts have ... or honeycombing ... #Diagnosis #Radiology
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 ... #Pattern #NodularPattern ... #Differential #
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... diagnosis in this ... #Clinical #Radiology ... #CXR #CTChest # ... #Cystic #RadiologyAssistant
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... 90% are smokers, cysts ... gren syndrome. ... #Clinical #Radiology ... #LAM #Cystic #RadiologyAssistant