Empty delta sign

Case contributed by Dr Ian Bickle

Presentation

For illustration purposes.

Photo

The delta shape is probably most known to the public at large in the shape of the wings of the supersonic aeroplane, Concorde.

Case Discussion

Delta is the 4th letter of the Greek alphabet with a characteristic triangular shape.

The delta shape is probably best known to the public at large in the shape of the wings of the now non-operational supersonic aeroplane, Concorde.

The term empty delta sign represents a cerebral venous sinus thrombosis, typically in the sagittal sinus, which has the shape of a delta.

Photograph courtesy of Ian Bickle, BSB, Brunei.

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Case information

rID: 49609
Case created: 27th Nov 2016
Last edited: 28th Nov 2016
Inclusion in quiz mode: Excluded

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