12 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #CTChest #Cystic ... Comparison #Table #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
multiple ill-defined nodules ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
On the left radiological pathological correlation of Langerhans cell histiocytosis in respectively nodular stage and early
in respectively nodular ... #Clinical #Radiology ... #Pathology #CTChest ... #Microscopy #LCH ... Histiocytosis #Cavitary #RadiologyAssistant
Cheerio Sign (Open Bronchus Sign) on Chest CT
 • Pulmonary nodule with a central lucency
 •
nodule with a central ... Pulm adeno Ca, PLCH ... malignancy, rheumatoid nodules ... Pulmonary #diagnosis #radiology ... #clinical
On the left another case of Langerhans' cell histiocytosis.
It started as small noduli, which progressed over
started as small noduli ... to cavitating nodules ... #Clinical #Radiology ... #CTChest #LCH # ... Histiocytosis #Cystic #RadiologyAssistant
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
later stage the nodules ... patients with LCH ... #Clinical #Radiology ... #CTChest #LCH # ... Histiocytosis #Cavitary #RadiologyAssistant
Langerhans cell histiocytosis is an uncommon disease characterised by multiple cysts in patients with nicotine abuse.
In
patients show only nodules ... #Clinical #Radiology ... #CTChest #LangerhansCellHistiocytosis ... #LCH #Nodular # ... RadiologyAssistant
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung nodules ... with asthma or CF ... #Clinical #Radiology ... #CXR #CTChest # ... Mucus #Plugging #RadiologyAssistant
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
irregular or stellate nodules ... histiocytosis with small nodules ... #Clinical #Radiology ... #CTChest #LCH # ... Histiocytosis #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
the central dot sign ... #Clinical #Radiology ... #CXR #CTChest # ... LCH #LangerhansCellHistiocytosis ... Histiocytosis #Cystic #RadiologyAssistant