DOI: 10.36347/sjams.2016.v04i07.050

Pages: 2544-2547

Anatomical variations at cranio vertebral junction are of importance to clinicians and surgeons planning intervention around this area. Any osseous structure projecting within the foramen magnum may cause compression to the brain stem, resulting in neurological symptoms. The aim of this paper is to present a rare case of median occipital tubercle within the anterior margin of foramen magnum in one adult human skull among 66 skulls studied. The morphology and location of this median occipital tubercle differs from the classical description given for the median occipital condyle in the literature. Its occurrence has been discussed with available literature in light of evolutionary and developmental anatomy. An awareness of bony anomalies around the FM will be of paramount significance to neurosurgeons, radiologists and orthopaedic surgeons working in this area.