11 results
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
Mosaic Attenuation ... on Chest CT • ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
CTAir surrounding ... #Monod #Sign #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 ... #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 ... more lesions than ... can suggest the diagnosis ... abutting the pleura, air-bronchograms ... #Clinical #Radiology
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
3% of patients; more ... thickening, presence of air-fluid ... in the adjacent lung ... hypertension • Mosaic ... CT) • Broncho-arterial
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
scan, indicating air ... thickening are more ... mid and lower lung ... #Clinical #Radiology ... #CTChest #Chronic
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
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There are two diagnostic ... expiratory scans for air ... penicillamine) #Clinical ... #Radiology #CTChest ... MosaicAttenuation #Mosaic
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Change in clinical ... - Cataract Plan ... one post op Cardiology ... unless prior heart/lung ... stratification #diagnosis
CABG Graft Pseudoaneurysm

Chest pain post CABG - always worth taking a look!  Large graft pseudoaneurysm!!
COPD lungs and bad ... the diagnosis, ... CT surg repaired ... Pseudoaneurysm #clinical ... #pocus #echocardiogram