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Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... perilymphatic, random ... is either random ... it is likely a random
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Miliary TB: random ... nodules 3. ... #Pattern #Comparison ... #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... Miliary TB: random ... nodules of the ... #Pattern #NodularPattern ... Differential #Comparison #Table
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
Fleischner Society ... for follow-up of nodules ... lesion has been stable ... with a benign pattern ... Followup #Pulmonary #Nodules
Risk factors
Defining high- or low-risk is currently more difficult than it was in the old guideline.
Previously
exposure to asbestos, radon ... characteristics alone (See Table ... Radiology #Pulmonary #Fleischner ... PulmonaryNodule #Nodule
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... : reticular nodular ... perilymphatic or random ... Interpretation #Algorithm