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Exostoses in obturator foramen - an osteological study.

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Obturator foramen exostoses, or bone spurs, affect 9.5% of older German adults, predominantly on the right side. Awareness of these bony growths is crucial for preventing potential medical complications.

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Area of Science:

  • Anatomy
  • Orthopedics
  • Gerontology

Background:

  • The obturator foramen is a key pelvic bone structure, normally closed by the obturator membrane.
  • It serves as an attachment site for obturator muscles and allows passage for nerves and vessels.
  • Exostoses (bone spurs) are bony growths, but their occurrence in the obturator foramen was previously unquantified.

Purpose of the Study:

  • To determine the prevalence of exostoses in the obturator foramen.
  • To analyze the localization and morphology of these exostoses.
  • To raise awareness among physicians regarding these ossifications.

Main Methods:

  • Examination of anonymized human dry hip bone specimens.
  • Minimum donor age of 60 years.
  • Specimens sourced from the anatomical collection of Johannes Gutenberg-University Mainz.

Main Results:

  • Exostoses were found in 9.5% (21/221) of examined hip bones.
  • The right side was affected twice as often as the left.
  • Exostoses were more common medially and were classified into three types based on morphology.

Conclusions:

  • Obturator foramen exostoses, while not a primary disease, can lead to complications like nerve compression and inflammatory reactions.
  • These bony growths can complicate diagnostics and surgical procedures.
  • Increased physician awareness is needed for accurate diagnosis and prevention of complications.