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Sitting duck appearance (jugular foramen)

Last revised by Assoc Prof Frank Gaillard on 27 Jul 2022

The sitting duck appearance denotes the normal anatomical configuration of the jugular foramen:

  • the head of the duck (pointing backwards on the right side) represents the anteromedial pars nervosa
  • the body of the duck representing the pars vascularis

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Cases and figures

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