Inferior Accessory Ossicle of Anterior Arch of Atlas: Case Report with 3D VisualisationCorrespondence Address :
Dr. Rahul Dev,
Flat no-5/1, Fifth Floor, Building No. 57, AIIMS Rishikesh Residential complex, Rishikesh, Uttarakhand-249203, India.
Inferior accessory ossicle of anterior arch of atlas is a rare, albeit normal variant in relation to the cervical spine, invariably detected incidentally while investigating for other unrelated condition. Its existence should always be kept in mind while evaluating any bony fragment in relation to atlas axis vertebrae so as to avoid unnecessary investigation in suspicion of other sinister aetiology. The presence of well-cortical margins, constant size and shape over a course of time, constant position in close relation to anterior atlas arch, normal appearing pre-paravertebral soft tissue are indicators of its presence. We present a case of this anatomical variant detected incidentally in an old man investigated for oral malignancy.
Atlas, Accessory, Ossicle, Sesamoid
Rahul Dev, Pankaj Sharma, Yasrab Khan. INFERIOR ACCESSORY OSSICLE OF ANTERIOR ARCH OF ATLAS: CASE REPORT WITH 3D VISUALISATION. Journal of Clinical and Diagnostic Research [serial online] 2019 January [cited: 2019 Jan 22 ]; 13:TD01-TD02. Available from
Date of Submission: Oct 04, 2018
Date of Peer Review: Oct 24, 2018
Date of Acceptance: Oct 25, 2018
Date of Publishing: Jan 01, 2019
FINANCIAL OR OTHER COMPETING INTERESTS: None.
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