10 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
distribution, along fissures ... to pleura and fissure ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
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 ... thickening of the minor fissure ... #Clinical #Radiology ... Interstitial #Pattern #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
distribution, along fissures ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... relation to the fissures ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Comparison #Diagram #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
see along the fissures ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Differential #Algorithm #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
inflammation or tumor ... resolution of the HRCT ... bronchiolitis #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
cells (including tumor ... the supporting tissue ... #Diagnosis #Radiology ... Consolidation #Patterns #RadiologyAssistant
Pleural fluid may become encysted.
Here we see fluid entrapped within the fissure.
This can sometimes give the
entrapped within the fissure ... called 'vanishing tumor ... #Clinical #Radiology ... Lateral #Effusion #Fissure ... #Pseudotumor #RadiologyAssistant
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
recognizable on HRCT ... dense fibrous tissue ... #Clinical #Radiology ... UsualInterstitialPneumonia #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
fluid, fibrous tissue ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #RadiologyAssistant