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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
19 Patterns of Lung ... Peripheral Ground Glass ... COVID19 #Patterns #Lung ... #Pulmonary #ChestCT ... #radiology #CTChest
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
enlargement of pulmonary ... The ground glass ... hyperperfused lung ... adjacent to oligemic lung ... Clinical #Radiology #CTChest
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Ground-glass opacity ... Ground-glass opacity ... or interstitial lung ... Diagnosis #Radiology #Pulmonary ... #CTChest #GGO #
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
and non-affected lung ... black and white lung ... When ground glass ... Diagnosis #Radiology #Pulmonary ... #CTChest #MosaicAttenuation
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
areas of ground glass ... like idiopathic pulmonary ... consider drug-related lung ... Clinical #Radiology #CTChest
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Annotated on Chest ... CT Right Lung: ... lang=us #Lung # ... lobes #Segments #Chest ... #CT #CTChest #pulmonary
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Vessel Sign on Chest ... CT • Distinct pulmonary ... leading into a lung ... doi.org/10.1016/j.chest ... #Pulmonary #diagnosis
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
, pulmonary congestion ... disease, idiopathic pulmonary ... extensive ground glass ... extensive ground glass ... bronchiectasis due to pulmonary
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Interstitial - Ground Glass ... Emphysema - Pulmonary ... Embolism - Acute Pulmonary ... Radiology #Patterns #Lung
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
infiltration damages tear glands ... damage salivary glands ... friction rub audible Lungs ... cause interstitial lung ... disease/pulmonary