32 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... #Diagnosis #Radiology ... #CTChest #Cystic ... #Cysts #Differential ... #Comparison #Table
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
visible wall #CXR ... #Lucency #Differential ... #Table #CavitaryLesion ... #Cavity #Cyst # ... Pulmonary #Diagnosis #Radiology
On the left we see a chest film with a typical finger-in-glove shadow.
The HRCT shows focal
with a typical finger-in-glove ... the appropriate clinical ... #Clinical #Radiology ... #CXR #CTChest # ... FingerInGlove #Sign
Garland Triad on Chest X-Ray in Sarcoidosis 
aka Pawnbroker's Sign - Right paratracheal and bilateral hilar
aka Pawnbroker's Sign ... paratracheal and bilateral ... #XRay #CXR #Pawnbrokers ... #Sign #clinical ... #radiology #pulmonary
A more common presentation of mucoid impaction in seen here.
This is the typical 'finger-in-glove' appearance of
is the typical 'finger-in-glove ... looks like the fingers ... #Clinical #Radiology ... #CXR #Lateral # ... FingerInGlove #Sign
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cavity #Cyst #
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... The cystic pattern ... When the cysts have ... #Diagnosis #Radiology
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
bronchiectasis, as in cystic ... fibrosis (CF) and ... with asthma or CF ... #Clinical #Radiology ... #CXR #CTChest #
Hilum Overlay Sign on Chest X-Ray
If a mass is in contact with the pulmonary vessels then,
Hilum Overlay Sign ... on Chest X-Ray ... This was later proven ... #Chest #XRay #clinical ... #radiology #CXR