9 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 ... #Radiology #CTChest ... #Differential #Comparison
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 ... Radiology #HRCT #CTChest ... #Pattern #Comparison
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
nodules start to cavitate ... of LCH. ... patients with LCH ... Clinical #Radiology #CTChest ... #LCH #LangerhansCellHistiocytosis
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
histiocytosis (LCH ... (LAM): regular cysts ... Radiology #HRCT #CTChest ... LowAttenuation #Cystic ... #Pattern #Comparison
On the left radiological pathological correlation of Langerhans cell histiocytosis in respectively nodular stage and early
early and late cystic ... Radiology #Pathology #CTChest ... #Microscopy #LCH ... Histiocytosis #Cavitary
Langerhans cell histiocytosis is an uncommon disease characterised by multiple cysts in patients with nicotine abuse.
In
characterised by multiple cysts ... that later on cavitate ... and become cysts ... Clinical #Radiology #CTChest ... LangerhansCellHistiocytosis #LCH
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the differential diagnosis ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cavity #Cyst # ... Emphysema #Comparison
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... challenging differential diagnosis ... Radiology #CXR #CTChest ... #LCH #LangerhansCellHistiocytosis ... Histiocytosis #Cystic
Solitary Cell Plasmacytoma

What?
• Plasma cell neoplasms can present as a single lesion (solitary plasmacytoma)
• In 3%
mainly in the oral cavity ... tonsillar fossa, nasal cavity ... Diagnosis? ... EMD myeloma Diagnostic ... #Workup #Hematology