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The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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basis of HRCT findings ... #Diagnosis #Radiology ... #Differential #Diagram ... #Comparison #Honeycombing ... Emphysema #SignetRing #RadiologyAssistant
False Positive Lung Point on POCUS
Lung-Cardiac Point and Lung-Diaphragm Point
These images highlight selected differentials to pleural
False Positive Lung ... intended to be all-inclusive ... demonstrate common findings ... point," a finding ... lungdiaphragam #ultrasound
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On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung ... Clinical #Diagnosis #Radiology ... CTChest #Cystic #Comparison ... Histiocytosis #RadiologyAssistant
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
identified in the lung ... Diagnosis #Pathophys #Radiology ... CTChest #TreeInBud #Diagram ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... involvement of the lung ... and drug-related lung ... #Diagnosis #Radiology ... #RadiologyAssistant
More than 100 entities manifest as diffuse lung disease.
Fortunately only about 10 of these account for
manifest as diffuse lung ... for about 90% of all ... for 80 - 90% of all ... #Diagnosis #Radiology ... Mnemonic #HRCT #RadiologyAssistant
Cardiac incisura
Click image to enlarge.
On the right side of the chest the lung will lie against
the chest the lung ... inferior part of the lung ... It is a normal finding ... #Clinical #Radiology ... Cardiac #Incisura #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
structures of the lung ... #Diagnosis #Radiology ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... in interstitial lung ... is interstitial lung ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Size
A solitary pulmonary nodule (SPN) is defined as a single intraparenchymal lesion less than 3 cm
Swensen et al studied ... high risk for lung ... Their findings are ... #EBM #Radiology ... MalignancyRate #Rate #RadiologyAssistant