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KMID : 1237720200530010111
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Anatomy & Cell Biology
2020 Volume.53 No. 1 p.111 ~ p.113
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A rare triple skeletal bone variation, including a median cleft of the posterior arch of the atlas, a sternal foramina and a bifid xiphoid process
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Tsoucalas Gregory
Vasilopoulos Anastasios
Thomaidis Vasilios
Fiska Aliki
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Abstract
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Bone variations are usually a result of abnormal ossification during embryonic life. Separately or in combination, sternal foramina and bifid xiphoid process are well documented skeletal alternations, as well as the median cleft of the posterior arch of the atlas. However, their appearance in combination is not yet celebrated in the literature. Our post-mortem examination unearthed such a triple variant of an adult male skeleton, which included no other skeletal variations. The fact that all variants are depicted in the median line of ossification implies a hypothesis of a triggered midline bone defect process. The awareness among clinicians of such variations during interventional and imaging procedures is of great importance.
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KEYWORD
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Median cleft of the posterior arch of the atlas, Sternal foramina, Bifid xiphoid process, Abnormal embryonic ossification, Bone variants
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