34 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
result in decreased lung ... - Lung cysts (LAM ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... (centrilobular emphysema ... edema #Diagnosis ... #Radiology #Pulmonary ... #HRCT #ChestCT
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... CT • Distinct pulmonary ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... .2016.12.033 #Halo #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
the secondary pulmonary ... Pulmonary vessels ... in the affected lung ... difficult to detect on HRCT ... #Clinical #Radiology
Split Pleura Sign on Chest CT
 • Contrast enhancement of the parietal and visceral pleura, separated
Split Pleura Sign ... effusion • DDx: Empyema ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... low attenuation (emphysema ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... Interpretation #Algorithm
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... without associated pulmonary ... emphysema. ... #Clinical #Diagnosis ... #Radiology #CTChest
Cheerio Sign (Open Bronchus Sign) on Chest CT
 • Pulmonary nodule with a central lucency
 •
on Chest CT • Pulmonary ... and metastatic lung ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Water Lily Sign (Camalote Sign) on Chest CT
 • Hydatid cyst in the lung with a
Water Lily Sign ... (Camalote Sign) ... Hydatid cyst in the lung ... #Pulmonary #diagnosis ... #radiology #clinical