12 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
attenuation or air-filled ... - Emphysema - Lung ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
CTAir surrounding ... a preexisting pulmonary ... #Monod #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram ... Sign on Chest CT ... .2016.12.033 #Air ... #Lung #Pulmonary ... #diagnosis #radiology
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... .2016.12.033 #Air ... #Lung #Pulmonary ... #diagnosis #radiology
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
periphery of the lung ... hump along may aid ... in the diagnosis ... CT angiography. ... EmergencyMedicine #CriticalCare
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
CT • Juxtaposition ... attenuation • DDx: sub-acute ... #Cheese #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
be present on a chest ... computed tomographic (CT ... lobar collapse, lung ... Definition #Criteria #Diagnosis ... #CriticalCare
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... without associated pulmonary ... usually contain air ... #Radiology #CTChest ... Cyst #Emphysema #Comparison
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
caused by a rigid chest ... edema in acute ... -W237. 10.2214/AJR ... #differential #diagnosis ... #STARCHASERS #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 #MosaicAttenuation ... #Attenuation #Comparison