13 results
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
on Chest CT • Air ... cavity • DDx: ... Monod #Sign #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
can suggest the diagnosis ... abutting the pleura, air-bronchograms ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
Notice the air-fluid ... is a possible diagnosis ... airways leading to pulmonary ... #Clinical #Radiology ... #CXR #Pneumothorax
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... usually contain air ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cavity #Cyst #
Assessment of Chest Tube Drains
Stepwise assessment of Chest Tube Function
TUBE POSITIONING
 • Look at the CXR:
• Look at the CXR ... within the chest cavity ... since a prior CXR ... Nick Mark MD @nickmmark ... ChestTube #Drains #Diagnosis
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... **Includes cavitary ... lesions, lobular ... #Diagnosis #Pulmonary ... #Radiology #RHS
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... maybe there is an air-bronchogram ... carcinoma and lymphoma less ... #Clinical #Radiology ... #CXR #Peripheral
Based on the images alone, it is usually not possible to determine the cause of the
chronic illness, clinical ... in fact this is nodular ... interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
infections • Nodular ... or cavitary lesions ... Mimics TB with: Cavitary ... Disease: Clinical ... • Clinical (Symptoms
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... consolidation or nodular ... Crescent #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical