11 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... Cystic LCH: - LAM ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... LCH: multiple round ... bizarre shaped cysts ... #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
histiocytosis (LCH ... (LAM): regular cysts ... LowAttenuation #Cystic ... #Pattern #Comparison ... #Table #RadiologyAssistant
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
In a later stage ... of LCH. ... patients with LCH ... Radiology #CTChest #LCH ... Histiocytosis #Cavitary #RadiologyAssistant
On the left radiological pathological correlation of Langerhans cell histiocytosis in respectively nodular stage and early
and early and late ... cystic stage. ... CTChest #Microscopy #LCH ... LangerhansCellHistiocytosis #Late ... Histiocytosis #Cavitary #RadiologyAssistant
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
Late stage (more ... airspaces Cysts ... There are no cysts ... Radiology #CTChest #LCH ... Histiocytosis #RadiologyAssistant
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver ... venous phase, Late ... nodule, Hepatic cyst ... #differential #diagnosis ... #comparison #table
Langerhans cell histiocytosis is an uncommon disease characterised by multiple cysts in patients with nicotine abuse.
In
characterised by multiple cysts ... nodules, that later ... cavitate and become cysts ... LangerhansCellHistiocytosis #LCH ... #Nodular #RadiologyAssistant
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential Diagnosis ... Ascariasis, Choledochal cyst ... Malignancy, PBC, PSC, Cystic ... synthesis rises later ... #differential #diagnosis
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... This is late stage ... challenging differential diagnosis ... #CXR #CTChest #LCH ... #RadiologyAssistant