32 results
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
Mosaic Attenuation ... CT in a lobular ... Attenuation #CT #Lung ... Pulmonary #diagnosis #radiology ... #clinical
COVID-19 Chest CT - Case 4

Main aspects of the image: multiple opacities in the glass and
at times with a nodular ... periphery of two lungs ... opacities and mosaic ... Radiologia Torácica ... #Clinical #CriticalCare
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
Mosaic attenuation ... The term 'mosaic ... disease #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Attenuation #Differential
Here another case of hypersensitivity pneumonitis.
There is a mosaic pattern.
Some secundary lobules demonstrate ground-glass opacity due
There is a mosaic ... opacity due to lung ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... HypersensitivityPneumonitis #Mosaic
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
narrowing the differential ... irregular and often nodular ... identified in the lung ... Diagnosis #Pathophys #Radiology ... #Pulmonary #CTChest
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
glass pattern in a mosaic ... hyperperfused lung ... adjacent to oligemic lung ... #Clinical #Radiology ... #CTChest #GGO #
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #CTChest #Cystic
On the left another patient with ground glass pattern in a mosaic distribution.
Again the ground glass
glass pattern in a mosaic ... hyperperfused lung ... adjacent to oligemic lung ... #Clinical #Radiology ... #CTChest #GGO #
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... patterns: reticular, nodular ... is interstitial lung ... #Diagnosis #Radiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... NodularPattern #Differential