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The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Emphysema - Lung ... cysts (LAM, LIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential
Mediastinal Mass - Differential Diagnosis
Anterior Mediastinal Mass:
 • Thymus (Thymoma, carcinoma, hyperplasia, cyst)
 • Lymphoma
 •
Mediastinal Mass - Differential ... , hyperplasia, cyst ... Sarcoma, Metastatic Lung ... Mediastinal #Mass #Differential ... #Diagnosis #pulmonary
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
of a cavitating lung ... vascular - pulmonary ... - bronchogenic cyst ... Cavitary #Lesions #Differential ... #Lung #Pulmonary
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... the surrounding lung ... associated pulmonary ... Clinical #Diagnosis #Radiology
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
lucencies within the lung ... , like cyst, cavity ... #CXR #Lucency #Differential ... #Lung #Pulmonary ... #Diagnosis #Radiology
False Positive Lung Point on POCUS
Lung-Cardiac Point and Lung-Diaphragm Point
These images highlight selected differentials to pleural
Point on POCUS ... highlight selected differentials ... False #LungPoint #POCUS ... lungdiaphragam #ultrasound #pulmonary ... #differential #
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
There is a lung ... cyst in the upper ... airways leading to pulmonary ... cyst formation ... #Clinical #Radiology
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Emphysema - Pulmonary ... #Diseases #Radiology ... #Patterns #Lung ... XRay #ChestCT #Differential
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... sliding Pulmonary ... submassive PE) POCUS ... #differential # ... #POCUS #ultrasound
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... • Bronchogenic Cyst ... Malformation #Lung ... #Nodule #Differential ... Algorithm #Causes #Pulmonary