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Purpose <p>This study explored the anatomical variations and clinical implications of accessory ossicles in the spine, which are often identified incidentally but can significantly impact the differential diagnosis of spinal disorders.</p> Methods <p>A comprehensive review of the literature from MEDLINE, the Cochrane Library, ScienceDirect, and Google Scholar up to April 2024 was conducted. Statistical analyses emphasized distinct patterns in prevalence, location, and correlation with symptoms, reinforcing the importance of accurate identification and appropriate patient management.</p> Results <p>Limbus Vertebra (LV) was observed in 2.5% of the cases, predominantly in the lumbar spine (70%). Ossicles of the nuchal ligament were identified in approximately 5.6% of cases, with a higher prevalence in males than in females.Correlation analysis indicated a weak positive correlation between LV and symptom severity (<i>r</i> = 0.25, <i>p</i> = 0.05) and a strong positive correlation between the ossicles of the nuchal ligament and male predominance (<i>r</i> = 0.75, <i>p</i> &lt; 0.01). Additional accessory ossicles, including Oppenheimer’s ossicles, accessory ossicles of the atlas, persistent ossiculum terminale, and os odontoideum, exhibited lower prevalence rates (&lt; 2%), emphasizing their infrequency.</p> Conclusions <p>Accessory ossicles of the spine exhibit varied prevalence and clinical significance, with some presenting minor associations with symptoms and others linked to specific syndromes or spinal disorders. The prevalence of different ossicles shows notable heterogeneity, highlighting the need for careful differential diagnosis to prevent the misinterpretation of fractures or other spinal pathologies.</p>

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Anatomical variability, morphofunctional characteristics, and clinical relevance of accessory ossicles of the back: implications for spinal pathophysiology and differential diagnosis

  • 期刊论文

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  • 发表日期：

    2025年3月6日

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  • Eren Ogut

摘要

Purpose

This study explored the anatomical variations and clinical implications of accessory ossicles in the spine, which are often identified incidentally but can significantly impact the differential diagnosis of spinal disorders.

Methods

A comprehensive review of the literature from MEDLINE, the Cochrane Library, ScienceDirect, and Google Scholar up to April 2024 was conducted. Statistical analyses emphasized distinct patterns in prevalence, location, and correlation with symptoms, reinforcing the importance of accurate identification and appropriate patient management.

Results

Limbus Vertebra (LV) was observed in 2.5% of the cases, predominantly in the lumbar spine (70%). Ossicles of the nuchal ligament were identified in approximately 5.6% of cases, with a higher prevalence in males than in females.Correlation analysis indicated a weak positive correlation between LV and symptom severity (r = 0.25, p = 0.05) and a strong positive correlation between the ossicles of the nuchal ligament and male predominance (r = 0.75, p < 0.01). Additional accessory ossicles, including Oppenheimer’s ossicles, accessory ossicles of the atlas, persistent ossiculum terminale, and os odontoideum, exhibited lower prevalence rates (< 2%), emphasizing their infrequency.

Conclusions

Accessory ossicles of the spine exhibit varied prevalence and clinical significance, with some presenting minor associations with symptoms and others linked to specific syndromes or spinal disorders. The prevalence of different ossicles shows notable heterogeneity, highlighting the need for careful differential diagnosis to prevent the misinterpretation of fractures or other spinal pathologies.