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Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the differential diagnosis ... between cavities and cysts ... associated pulmonary ... #Clinical #Diagnosis ... Emphysema #Comparison #RadiologyAssistant
Mediastinal Mass - Differential Diagnosis
Anterior Mediastinal Mass:
 • Thymus (Thymoma, carcinoma, hyperplasia, cyst)
 • Lymphoma
 •
- Differential Diagnosis ... , hyperplasia, cyst ... , Pericardial Cysts ... #Differential #Diagnosis ... #pulmonary #anterior
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... TractionBronchiectasis #Cysts ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : - LAM: round cysts ... LIP #Clinical #Diagnosis ... CTChest #Cystic #Cysts ... Comparison #Table #RadiologyAssistant
Causes of Pediatric Wheezing - Differential Diagnosis Algorithm
CXR Abnormal:
 • Pulmonary Sequestration
 • Congenital Adenoid Cystic
- Differential Diagnosis ... Abnormal: • Pulmonary ... • Bronchogenic Cyst ... #Differential #Diagnosis ... Peds #Pediatrics #Pulmonary
Cavity Mnemonic for Cavitary Pulmonary Lesions:
C: cancer 
 - bronchogenic carcinoma: most frequently squamous cell carcinoma
Mnemonic for Cavitary Pulmonary ... SCC) - cavitary pulmonary ... abscess - pulmonary ... - bronchogenic cyst ... #Diagnosis #CAVITY
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
There is a lung cyst ... is a possible diagnosis ... airways leading to pulmonary ... cyst formation ... Lymphangioleiomyomatosis #LAM #RadiologyAssistant
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung cysts ... #Clinical #Diagnosis ... Histiocytosis #RadiologyAssistant
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
vascular - pulmonary ... infection - pulmonary ... - CPAM - pulmonary ... - bronchogenic cyst ... #Diagnosis #
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
the lung, like cyst ... a thick wall Cyst ... CavitaryLesion #Cavity #Cyst ... #Lung #Pulmonary ... #Diagnosis #Radiology