9 results
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
CTAir surrounding ... preexisting pulmonary cavity ... #Monod #Sign #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
can suggest the diagnosis ... abutting the pleura, air-bronchograms ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram ... Sign on Chest CT ... DDx: pna, pulm edema ... #Lung #Pulmonary ... #diagnosis #radiology
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
Is it pus, edema ... UIP, NSIP and long ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Consolidation #Differential
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
spaces with pus, edema ... the result of air ... or interstitial lung ... #Radiology #Pulmonary ... #CTChest #GGO #
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
diagnosis there ... the surrounding lung ... usually contain air ... #Radiology #CTChest ... #Cavity #Cyst #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Left Shunt - Anatomic ... Mismatch: Pulmonary Edema ... Hypoxia #hypoxemia #differential ... #diagnosis
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
localized pulmonary edema ... -W237. 10.2214/AJR ... #diseases #differential ... #diagnosis #mnemonic ... #STARCHASERS #radiology
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
CT will also demonstrate ... be high in the differential ... diagnostic list ... #Clinical #Radiology ... #CTChest #CHF #