12 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Honeycombing 4. ... #Clinical #Radiology ... HRCT #CTChest #LowAttenuation ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Honeycombing. 4. ... #Clinical #Radiology ... HRCT #CTChest #LowAttenuation ... #Comparison #Table ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
(LAM, LIP, Langerhans ... #Diagnosis #Radiology ... Pulmonary #CTChest #LowAttenuation ... #Differential # ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... central dot. - LIP ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Table #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... histiocytosis or honeycombing ... in many cases UIP ... #Diagnosis #Radiology ... #RadiologyAssistant
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
Because of the cystic ... feature of usual interstitial ... pneumonia (UIP) ... #Clinical #Radiology ... #RadiologyAssistant
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
Honeycombing consisting ... multilayered thick-walled cysts ... lymphadenopathy #Clinical ... #Radiology #CTChest ... #Usual #Interstitial
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 ... Bronchiectasis #Honeycombing ... #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
appearance of honeycombing ... thick walls of the cysts ... #Clinical #Radiology ... UsualInterstitialPneumonitis #Usual #Interstitial ... Reticular #ILD #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... bronchovascular interstitium ... #Clinical #Radiology ... #Comparison #Table ... #RadiologyAssistant