19 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... - Imaging: • CXR ... Rare: pleural effusions ... - No specific lab ... DDX: • CAP,
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 ... LAM is a rare lung ... #Clinical #Radiology ... #CXR #Pneumothorax
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
bubble and the lung ... a patient with signs ... of the stomach air ... #Clinical #Radiology ... #CXR #CHF #Pleural
Split Pleura Sign on Chest CT
 • Contrast enhancement of the parietal and visceral pleura, separated
Split Pleura Sign ... • DDx: Empyema ... #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 ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram ... Sign on Chest CT ... • DDx: pna, pulm ... #diagnosis #radiology ... #clinical
Evaluation of suspected incomplete Kawasaki Disease

1. AHA consensus recommendations
2. Infants ≤6 months old on day ≥7
function, mitral regurgitation ... , pericardial effusion ... and lab signs ( ... CRP, ESR) of ongoing ... #Diagnosis #Peds
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
CT • Air surrounding ... pulmonary cavity • DDx ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
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 ... The lab-findings ... #Clinical #Radiology ... #CXR #Peripheral
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... nodular opacity • DDx ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical