14 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Langerhans cell histiocytosis ... Cystic LCH: - LAM ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Comparison #Table
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 (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell histiocytosis ... (LAM): regular cysts ... #Clinical #Radiology ... #Pattern #Comparison ... #Table #RadiologyAssistant
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 ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
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 ... #Pattern #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 ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #Differential #Comparison
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 ... #Cystic #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... The cystic pattern ... 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
Langerhans cell histiocytosis ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cavity #Cyst # ... Emphysema #Comparison
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
Cystic versus Reticular ... Langerhans cell histiocytosis ... LCH is called a cystic ... In many of such cases ... #Clinical #Radiology