10 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
These include: - Emphysema ... - Lung cysts (LAM ... Radiology #Pulmonary #CTChest ... #Emphysema #SignetRing ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
effusion; sometimes pneumothorax ... Centrilobular emphysema ... low attenuation areas ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... Centrilobular emphysema ... low attenuation areas ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
terms to describe areas ... , like cyst, cavity ... pneumatocele, emphysema ... we describe a chest ... with a thin wall Emphysema
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... associated pulmonary emphysema ... Diagnosis #Radiology #CTChest ... Emphysema #Comparison ... #RadiologyAssistant
Paraseptal emphysema is localized near fissures and pleura and is frequently associated with bullae formation (area
Paraseptal emphysema ... formation (area of emphysema ... to spontaneous pneumothorax ... compression of adjacent lung ... #Paraseptal #Emphysema
Lung abnormalities mostly present as areas of increased density, which can be divided into the following
Lung abnormalities ... the following patterns ... are seen as in emphysema ... published soon: Chest ... #Patterns #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... centrilobular emphysema ... Emphysema however ... diseases and also in emphysema ... Histiocytosis #Cystic #RadiologyAssistant
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
of panlobular emphysema ... Panlobular emphysema ... severe panlobular emphysema ... severe panlobular emphysema ... #Panlobular #Emphysema
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
history of severe emphysema ... Subcutaneous emphysema ... any soft tissue emphysema ... with subcutaneous emphysema ... #Subcutaneous #Emphysema