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COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
of Lung Findings ... on Chest CT 1. ... #Lung #Pulmonary ... #ChestCT #radiology ... #CTChest #diagnosis
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
CT Right Lung: ... radiopaedia.org/cases ... bronchopulmonary-segments-annotated-ct ... #CT #CTChest #pulmonary ... #clinical #radiology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... - Emphysema - Lung ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Emphysema #SignetRing #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
Even fibrosis as ... UIP, NSIP and long ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
lung disease caused ... Calcification (seen in CT ... typical eggshell pattern ... #CXR #Chest #XRay ... #labeled #pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... combinations of fibrosis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... seen and in many cases ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
HRCT as seen in fibrosis ... or interstitial lung ... in ground glass pattern ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Honeycombing: Idiopathic Pulmonary ... #CT #Patterns # ... #radiology
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
, as in cystic fibrosis ... CT demonstrated ... #Clinical #Radiology ... #CXR #CTChest # ... Mucus #Plugging #RadiologyAssistant