13 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... On a Chest X-Ray ... The cystic pattern ... When the cysts have ... #Diagnosis #Radiology
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
(LAM): regular cysts ... #Clinical #Radiology ... #HRCT #CTChest ... LowAttenuation #Cystic ... Pattern #Comparison #Table
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Non specific interstitial ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
this case the chest ... In many cases a HRCT ... The HRCT - not shown ... #Clinical #Radiology ... Sarcoidosis #Nodular #Interstitial
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
before the typical cysts ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
Cystic versus Reticular ... LCH is called a cystic ... of such cases a HRCT ... #Clinical #Radiology ... #Interstitial #
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
recognizable on HRCT ... Because of the cystic ... presence of small cystic ... feature of usual interstitial ... #Clinical #Radiology
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
HRCT findings in ... multilayered thick-walled cysts ... lymphadenopathy #Clinical ... #Radiology #CTChest ... UsualInterstitialPneumonitis #Usual #Interstitial
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung interstitium ... differential diagnosis (Table ... Kerley B lines on chest ... #Diagnosis #Radiology ... #Pulmonary #HRCT