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Guyon sign

Pronunciation: ge-yon[h]'

Definition:

  1. ballottement of the kidney in cases of nephroptosis, especially when there is also a renal tumor;
  2. the hypoglossal nerve lies directly on the external carotid artery, whereby this vessel may be distinguished from the internal carotid when ligation is necessary.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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