viralpneumonia
TomásFranquet,MD,PhD
TerminologyVirusestypicallyaffectrespiratoryepithelium
ImagingMosaicattenuationandexpiratoryair-trapping
Ground-glassopacityandconsolidation
Nodules,micronodules,andtree-in-budopacities
Maybenormalatpresentation(20%)
Focalormultifocalconsolidation
Radiography
CT/HRCT
Interlobularseptalthickening
Bronchial/orbronchiolarwallthickening
TopDifferentialDiagnosesBacterialpneumonia
Aspiration
Diffusealveolarhemorrhage
Organizingpneumonia
ClinicalIssuesCold:Upperrespiratorytractsymptoms(tonsillopharyngitis,pharyngitis,epiglottitis,sinusitis,otitismedia,andconjunctivitis)
Influenzasyndrome:Abruptfever,headache,myalgias,andmalaise
Acutebronchiolitisininfantsandchildren:Wheezingwithcon