11 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
attenuation or air-filled ... cysts (LAM, LIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
the left three different ... patients with lung ... cysts. ... #Clinical #Diagnosis ... #Cystic #Comparison
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... associated pulmonary ... air, but occasionally ... #Clinical #Diagnosis ... Emphysema #Comparison
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
Notice the air-fluid ... cyst in the upper ... is a possible diagnosis ... airways leading to pulmonary ... #Clinical #Radiology
Water Lily Sign (Camalote Sign) on Chest CT
 • Hydatid cyst in the lung with a
Sign) on Chest CT ... • Hydatid cyst ... #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 ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Sign on Chest CT ... • Air surrounding ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
Notice the air-fluid ... cyst in the upper ... is a possible diagnosis ... airways leading to pulmonary ... #Clinical #Radiology
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
There are two diagnostic ... expiratory scans for air ... penicillamine) #Clinical ... #Radiology #CTChest ... #Attenuation #Comparison