Sesamoid ossicles of the nuchal ligament
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Sesamoid ossicles of the nuchal ligament are a relatively common anatomical variant that are usually asymptomatic and most commonly occur at the C5-C6 or C6-C7 vertebral levels.
They occur in ~7.5% of the population, with a male predominance of 3:1 1.
- well-defined, corticated, round or oval opacity on lateral projection
- cortical bone with central marrow within the nuchal ligament
- 1. Paraskevas GK, Raikos A, Martoglou S et-al. Sesamoid ossicles within the nuchal ligament: a report of two cases and review of the literature. J Radiol Case Rep. 2011;5 (8): 22-9. doi:10.3941/jrcr.v5i8.708 - Free text at pubmed - Pubmed citation
- 2. Gokce E & Beyhan M. Evaluating Ossifications of the Nuchal Ligament with Cervical Computed Tomography. Eurasian J Med. 2018;50(1):23-7. doi:10.5152/eurasianjmed.2018.17314 - Pubmed