8195 results
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Respiratory bronchiolitis ... #Clinical #Radiology
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
causes of infective bronchiolitis ... Sign #diagnosis #clinical ... #radiology #ChestCT
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
atypical pna, Viral bronchiolitis ... Pulmonary #diagnosis #radiology ... #clinical #tree
Here another case of hypersensitivity pneumonitis.
There is a mosaic pattern.
Some secundary lobules demonstrate ground-glass opacity due
lucent due to bronchiolitis ... #Clinical #Radiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Respiratory bronchiolitis ... #Clinical #Diagnosis ... #Radiology #Pulmonary
On the left a patient with RB-ILD.
The dominant feature is ground glass opacification and there are
that respiratory bronchiolitis ... #Clinical #Radiology
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
hypersensitivity pneumonitis, bronchiolitis ... #Clinical #Radiology
Emphysema, when it is severe, can mimick Langerhans cell histiosytosis.
When it extends beyond the centrilobular area
emphysema, respiratory bronchiolitis ... #Clinical #Radiology
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
lucency due to bronchiolitis ... #Clinical #Radiology
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
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possibilities: obstructive bronchiolitis ... Temporary bronchiolitis ... penicillamine) #Clinical ... #Radiology #CTChest