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Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... Central #Peripheral #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution ... #Upper #Lower #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... Centrilobular distribution ... #Pulmonary #CTChest ... #GroundGlass #Differential ... #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic distribution ... the overlap in differential ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
in number, the distribution ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... MultipleNodules #Nodules #Differential ... #Algorithm #RadiologyAssistant
On the left another patient with alveolar edema at admission, which resolved after treatment.
When you scroll
the images and go ... pedicle width and distribution ... #Clinical #Radiology ... #CXR #CHF #Alveolar ... AlveolarEdema #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
pattern in a mosaic distribution ... The differential ... are confluent, HRCT ... #CTChest #GGO # ... HypersenstitivityPneumonitis #RadiologyAssistant