Ginkgo leaf sign
Admitted following thoracic trauma 2 days prior. Expanding thorax and crepitus.
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Extensive bilateral surgical emphyesema throughout the visualised soft tissues of the chest and neck.
It is more pronounced on the left with the air tracking between the fibres of the pectoralis major muscle, giving the appearance of a Gingko leaf.
The ginkgo leaf sign (of subcutaneous emphysema) is a radiographic appearance identified with severe subcutaneous emphysema of the chest wall. Air outlines the fibres of the pectoralis major muscle and forms a streaky pattern that is like the branching pattern in the veins of a ginkgo leaf.
Ginkgo biloba (aka the maidenhair tree) is a tree native to China and is used in traditional medicines.