31 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
attenuation or air-filled ... LIP, Langerhans cell ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Diagram #Comparison
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
blood or tumor cells ... Even fibrosis as ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Consolidation #Differential
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung ... and Langerhans cell ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cystic #Comparison
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
inflammation or tumor cells ... 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
the surrounding lung ... usually contain air ... or Langerhans cell ... #Clinical #Diagnosis ... #Radiology #CTChest
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... abutting the pleura, air-bronchograms ... #Clinical #Radiology ... #CXR #CTChest #
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
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... of Langerhans cell ... #Diagnosis #Radiology ... #CTChest #Cystic ... #Comparison #Table
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
CTAir surrounding ... #Monod #Sign #CT ... #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