20 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
cyst in the upper ... is a possible diagnosis ... LAM is a rare lung ... airways leading to pulmonary ... #RadiologyAssistant
Mediastinal Mass - Differential Diagnosis
Anterior Mediastinal Mass:
 • Thymus (Thymoma, carcinoma, hyperplasia, cyst)
 • Lymphoma
 •
Mediastinal Mass - Differential ... Diagnosis Anterior ... , hyperplasia, cyst ... Sarcoma, Metastatic Lung ... #Diagnosis #pulmonary
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... diagnosis there ... the surrounding lung ... associated pulmonary ... Emphysema #Comparison #RadiologyAssistant
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung ... cysts. ... #Clinical #Diagnosis ... Cystic #Comparison #LAM ... Histiocytosis #RadiologyAssistant
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... distribution - LAM ... Disease #DCLD #pulmonary ... #Algorithm #Diagnosis ... #differential
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Cystic LCH: - LAM ... : round cysts, evenly ... CTChest #Cystic #Cysts ... Comparison #Table #RadiologyAssistant
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
of a cavitating lung ... - bronchogenic cyst ... #Diagnosis # ... Cavitary #Lesions #Differential ... #Lung #Pulmonary
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
, like cyst, cavity ... a thick wall Cyst ... #CXR #Lucency #Differential ... #Lung #Pulmonary ... #Diagnosis #Radiology
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
cyst in the upper ... is a possible diagnosis ... LAM is a rare lung ... airways leading to pulmonary ... #RadiologyAssistant