13 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules ... perilymphatic nodules ... #Diagnosis #Radiology ... Pulmonary #HRCT #CTChest ... #Differential #
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
centrilobular nodules ... Sarcoidosis: nodules ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... NodularPattern #Differential
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
centrilobular nodules ... and also nodules ... #Diagnosis #Radiology ... Pulmonary #HRCT #CTChest ... #Differential #
COVID-19 Chest CT - Case 4

Main aspects of the image: multiple opacities in the glass and
at times with a nodular ... evident in the lower lobes ... Radiologia Torácica ... #Clinical #CriticalCare ... #GroundGlass #CoronaVirus
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
centrilobular nodules ... narrowing the differential ... irregular and often nodular ... Diagnosis #Pathophys #Radiology ... #Pulmonary #CTChest
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... Radiology • Miliary ... small (1 -4 mm) nodules ... inhalational injury Differential ... #Radiology #differential
COVID-19 Chest CT - Case 3

Main aspects of the image: multiple opacities in the glass and
at times with a nodular ... evident in the lower lobes ... Radiologia Torácica ... #Clinical #CriticalCare ... #GroundGlass #CoronaVirus
COVID-19 Chest CT - Case 1

Main aspects of the image: multiple opacities in the glass and
at times with a nodular ... evident in the lower lobes ... Radiologia Torácica ... #Clinical #CriticalCare ... #GroundGlass #CoronaVirus
COVID-19 Chest CT - Case 2

Main aspects of the image: multiple opacities in the glass and
at times with a nodular ... evident in the lower lobes ... Radiologia Torácica ... #Clinical #CriticalCare ... #GroundGlass #CoronaVirus
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
The differential ... centrilobular nodules ... density (acinar nodules ... #Clinical #Radiology ... #CTChest #GGO #