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Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
arise within a mass ... associated pulmonary ... emphysema. ... #Radiology #CTChest ... #Cavity #Cyst #
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
, emphysema, bulla ... since in many cases ... with a thin wall Emphysema ... #Cyst #Lung #Pulmonary ... #Diagnosis #Radiology
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
CAVITY – a useful ... mnemonic for the causes ... cavitating lung mass ... - bronchogenic cyst ... #Diagnosis #
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
These include: - Emphysema ... - Lung cysts (LAM ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... TractionBronchiectasis #Cysts
The table on the left is the overall table for mediastinal masses.
In the next paragraphs we
Tumors - Benign Cysts ... tumors - Foregut cysts ... #Diagnosis #Pulmonary ... #Radiology #Mediastinal ... #Mass #Differential
Honeycombing is defined by the presence of small cystic spaces with irregularly thickened walls composed of
Honeycomb cysts ... regardless of their cause ... from paraseptal emphysema ... #Diagnosis #Radiology ... #Pulmonary #Honeycombing
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... 90% are smokers, cysts ... Centrilobular emphysema ... another typical case ... #Clinical #Radiology
Mucoid Degeneration of the ACL
Imaging Findings:
 • T2-hyperintense fluid-signal within the enlarged ACL on both the
• ACL ganglion cyst ... Circumscribed mass ... - Can cause ... mri #clinical #Radiology ... #diagnosis #msk