21 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... The cystic pattern ... in many cases UIP ... Pattern #Differential ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
bronchiectasis: ... central dot. - LIP ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Table #RadiologyAssistant
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
The CXR demonstrates ... pattern with a ... #Clinical #Radiology ... #CXR #UIP #CTChest ... TractionBronchiectasis #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Non specific interstitial ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
histiocytosis) - Bronchiectasis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
The case on the left shows subpleural honeycomb cysts in several contiguous layers.
There is also a
subpleural honeycomb cysts ... typical for Usual Interstitial ... #Clinical #Radiology ... #CTChest #UIP # ... #Honeycombing #RadiologyAssistant
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
or a cystic pattern ... #Clinical #Radiology ... #CXR #CTChest # ... Cystic #Interstitial ... LangerhansCellHistiocytosis #LCH #RadiologyAssistant
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
multilayered thick-walled cysts ... with traction bronchiectasis ... lymphadenopathy #Clinical ... #Radiology #CTChest ... #Usual #Interstitial
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
patients with bronchiectasis ... , as in cystic fibrosis ... #Clinical #Radiology ... #CXR #CTChest # ... Mucus #Plugging #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
On a chest X-ray ... #Clinical #Radiology ... #CXR #UIP #Reticular ... #Interstitial # ... #RadiologyAssistant