23 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
four patterns: ... what kind of pattern ... the most common pattern ... The cystic pattern ... pattern can be
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... centrilobular nodules ... Sarcoidosis: nodules ... Clinical #Radiology #HRCT ... #Pattern #Comparison
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... are visible, the pattern ... Radiology #Pulmonary #HRCT ... #Pattern #MultipleNodules
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... Sarcoidosis: nodules ... Clinical #Radiology #HRCT ... #CTChest #Nodular ... #Pattern #Comparison
The distribution of nodules shown on HRCT is the most important factor in making an accurate
pattern. ... peribronchovascular interstitium ... structures of the lung ... #Pattern #Distribution ... Perilymphatic #Comparison
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... - Emphysema - Lung ... low attenuation pattern ... on the basis of HRCT ... Differential #Diagram #Comparison
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Metastases - Interstitial ... - Nodular - Acute ... Interstitial - ... Diseases #Radiology #Patterns ... #Lung #CXR #XRay
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... Non specific interstitial ... Clinical #Radiology #HRCT ... HighAttenuation #Pattern ... #Comparison #Table
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
In many cases a HRCT ... The HRCT - not shown ... #Sarcoidosis #Nodular ... #Interstitial # ... Pattern #RadiologyAssistant
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
demonstrates a reticular interstitial ... pattern with a ... preference at the lung ... The HRCT demonstrates ... #Pattern #Honeycombing