43 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
result in decreased lung ... These include: - Emphysema ... - Lung cysts (LAM ... #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 ... bronchiolitis (RB-ILD ... edema #Diagnosis #Radiology
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
lucencies within the lung ... pneumatocele, emphysema ... we describe a chest ... with a thin wall Emphysema ... Pulmonary #Diagnosis #Radiology
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
two ill-defined ... densities iin the left lung ... cavitation in the right lung ... #Clinical #Radiology ... #CXR #CTChest #
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... to injury and do ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
On the left a patient with RB-ILD.
The dominant feature is ground glass opacification and there are
patient with RB-ILD ... centrilobular emphysema ... the precursor of emphysema ... #Clinical #Radiology ... #CTChest #RBILD
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
in the affected lung ... appearance of extensive lung ... the other hand, mild ... #Clinical #Radiology ... #CTChest #Panlobular
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... associated pulmonary emphysema ... Clinical #Diagnosis #Radiology ... #CTChest #Cavity ... #Cyst #Emphysema
Centrilobular emphysema due to smoking. The periphery of the lung is spared (blue arrows). Centrilobular artery
Centrilobular emphysema ... periphery of the lung ... #Clinical #Radiology ... #CTChest #Centrilobular ... #Emphysema #CentrilobularEmphysema
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
An 86-year-old woman ... history of severe emphysema ... insertion of a chest ... the head, neck, chest ... under the skin as long