14 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
attenuation or ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
process adjacent to normal ... lung - Normal lung ... disease #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... with ground glass attenuation ... secondary lobules with normal ... #Pulmonary #CTChest ... #Comparison #Table
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
areas of low, normal ... and high attenuation ... Cheese #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... , high and low attenuation ... #Diagnosis #Radiology ... #Pulmonary #CXR
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
Redistribution In a normal ... supplying the upper lung ... supplying the lung ... In these cases comparison ... #Clinical #Radiology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
in the adjacent lung ... hypertension • Mosaic attenuation ... of the affected lung ... - BAR >1.0 is abnormal ... #differential #
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Upper Lobe Lung ... caused by a rigid chest ... granulomatosis • Abnormal ... #diseases #differential ... #STARCHASERS #radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... the surrounding lung ... without associated pulmonary ... #CTChest #Cavity ... Cyst #Emphysema #Comparison
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
the secondary pulmonary ... abnormally low attenuation ... Pulmonary vessels ... #Clinical #Radiology ... #CTChest #Panlobular