Article Text

Download PDFPDF
Unusual presentation of more common disease/injury
Frontal cortex dysfunction due to extensive hyperostosis frontalis interna
  1. Thomas Gilbert1,
  2. Sabrina Ait1,
  3. Floriane Delphin2,
  4. Emmanuel Raharisondraibe1,
  5. Marc Bonnefoy1
  1. 1Service de médecine gériatrique, Centre Hospitalier Lyon-Sud, Pierre-Bénite, France
  2. 2Service de Neuropsychologie, Hôpital Gériatrique des Charpennes, Villeurbanne, France
  1. Correspondence to Dr Thomas Gilbert, thomasgilbertmiguet{at}


An 87-year-old patient was found to have an unusually protrusive hyperostosis frontalis interna, discovered on MRI examination during an assessment of cognitive decline. Neuropsychological evaluation suggested direct repercussions of the frontal lobe compression on executive functions, as well as psychiatric disorders and possibly memory loss.

Statistics from

Request Permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.


  • Competing interests None.

  • Patient consent Obtained.