10 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
COVID-19 Patterns ... of Lung Findings ... on Chest CT 1. ... Reverse Halo Sign ... #CTChest #diagnosis
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram ... Sign on Chest CT ... .2016.12.033 #Air ... #CT #Lung #Pulmonary ... #diagnosis #radiology
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 ... feeding vessel sign ... #Clinical #Radiology
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... CTAir surrounding ... .2016.12.033 #Monod #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... #Crescent #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Luftsichel Sign in Left Upper Lobe Collapse - Chest X-Ray

An upper lobe collapse causes the collapse
Luftsichel Sign ... lobe collapse causes ... the collapse lung ... or curtain and causes ... #Luftsichel #Sign
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
is a radiologic sign ... periphery of the lung ... hump along may aid ... confirmed with chest ... CT angiography.
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Nasal polyps and signs ... thickening, presence of air-fluid ... in the adjacent lung ... of the affected lung ... CT) • Broncho-arterial
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
pneumonitis (2) The case ... scan, indicating air ... Signs of fibrosis ... mid and lower lung ... #CTChest #Chronic
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... SpO2 88% on room air ... Most commonly caused ... #Radiology #CTChest ... #Lung #Pulmonary