42 results
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... vessel leading into a ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... surrounded by a ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... CTAir surrounding ... a preexisting pulmonary ... #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 ... feeding vessel sign ... SepticEmboli #Cavity #RadiologyAssistant
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... airspace within a ... #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 ... .2016.12.033 #Air ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Galaxy Sign on Chest CT
 • Coalescent granuloma with a central dense mass and tiny peripheral
Galaxy Sign on Chest ... granuloma with a ... progressive massive fibrosis ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Left Shunt - Anatomic ... Embolism, Obstructive Lung ... Fibrosis, Interstitial ... Lung Disease
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
the peripheral lung ... and sometimes air ... COPD and cystic fibrosis ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
Silicosis is a fibrotic ... lung disease caused ... Calcification (seen in CT ... #Silicosis #clinical ... XRay #labeled #pulmonary