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Related Experiment Videos

[Radiological study of 1500 coccyces].

K Yamashita1

  • 1Department of Orthopedic Surgery, Kyorin University, School of Medicine, Tokyo, Japan.

Nihon Seikeigeka Gakkai Zasshi
|January 1, 1988
PubMed
Summary

This study found higher rates of idiopathic coccygeal pain in females, particularly in their fourth decade. Morphological differences and potential motor disadvantages may contribute to this disparity in coccygodynia.

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Area of Science:

  • Radiology
  • Orthopedics
  • Anatomy

Background:

  • Coccygeal pain, or coccydynia, affects a significant portion of the population.
  • Understanding the morphological and demographic factors associated with coccydynia is crucial for diagnosis and treatment.
  • Previous studies have suggested potential links between anatomical variations and coccygeal pain.

Purpose of the Study:

  • To investigate the radiological characteristics of the coccyx and sacral vertebra in individuals with and without coccygeal pain.
  • To determine the age distribution and morphological incidence of dislocation types in coccydynia patients.
  • To explore potential gender-based differences in sacro-coccygeal morphology and their relation to idiopathic coccygeal pain.

Main Methods:

  • Radiological examination of the coccyx and sacral vertebra in 1,000 healthy individuals and 500 individuals with coccygeal pain.
  • Analysis of age distribution, focusing on the peak incidence of coccydynia.
  • Assessment of morphological variations, including dislocation types and the sacro-coccygeal angle, stratified by gender and pain group (traumatic vs. idiopathic).

Main Results:

  • The peak age distribution for coccydynia was observed in the fourth decade.
  • Incidence of dislocation types varied between genders and groups: normal (2.6% M, 5.2% F), traumatic (5.1% M, 8.1% F), and idiopathic (4.8% M, 11.1% F).
  • The sacro-coccygeal angle was found to be greater in females than in males.

Conclusions:

  • Idiopathic coccygeal pain occurs more frequently in females.
  • Potential contributing factors include motor disadvantages affecting body movement, hormonal imbalances, and morphological abnormalities.
  • Gender-specific anatomical variations, such as a larger sacro-coccygeal angle in females, may predispose them to coccygeal pain.

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