14 results
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
the peripheral lung ... and sometimes air ... #Diagnosis #Radiology ... #Pulmonary #Bronchiectasis ... #Differential #RadiologyAssistant
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Cylindrical or traction bronchiectasis ... , CF, ILD, necrotizing ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung ... CT demonstrated ... bronchiectasis with ... #Clinical #Radiology ... Mucus #Plugging #RadiologyAssistant
Signet Ring Sign on Chest CT
 • Prominently dilated airway compared to its accompanying pulm vessel.
Signet Ring Sign ... • DDx: Bronchiectasis ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... abutting the pleura, air-bronchograms ... feeding vessel sign ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... CTAir surrounding ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram ... Sign on Chest CT ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
bronchial wall injury ... Nasal polyps and signs ... thickening, presence of air-fluid ... in the adjacent lung ... high-resolution chest CT
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
a patient with signs ... of CHF. ... of the stomach air ... #Clinical #Radiology ... SubpulmonicEffusion #RadiologyAssistant