20 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
, LIP, Langerhans ... histiocytosis) - Bronchiectasis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... bronchiectasis: ... central dot. - LIP ... #Clinical #Diagnosis ... #Radiology #CTChest
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
interstitial pattern ... preference at the lung bases ... #Clinical #Radiology ... #CXR #UIP #CTChest ... TractionBronchiectasis #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... The cystic pattern ... UIP can be suspected ... #Diagnosis #Radiology ... RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
UIP UIP is a histologic ... a reticular pattern ... to confirm the diagnosis ... #Clinical #Radiology ... #CXR #UIP #Reticular
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
represents the second reticular ... interstitial pneumonia (UIP ... #Clinical #Radiology ... #UIP #UsualInterstitialPneumonia ... #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film is a reticular ... was caused by multiple ... diagnosis in this ... #Clinical #Radiology ... #CXR #CTChest #
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Reticular: • ... Attenuation: • Emphysema ... Differential #Diagnosis ... #pulmonary #radiology
The case on the left shows subpleural honeycomb cysts in several contiguous layers.
There is also a
subpleural honeycomb cysts ... Interstitial Pneumonia (UIP ... #Clinical #Radiology ... #CTChest #UIP # ... #Honeycombing #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... : reticular nodular ... low attenuation (emphysema ... , cystic) Where ... ) #Diagnosis #Radiology