Anatomical considerations of abnormal fusion of second and third cervical vertebrae

Objective: To study the abnormal fusion in cervical vertebrae. Design: An osteological study. Material and Methods: Over 124 dried specimens of cervical vertebrae in the osteological section of the department of anatomy were scanned for the study. Abnormal fusion of any vertebrae were looked for and appropriate photographs were taken. Results: Abnormal fusion of second and third cervical vertebrae (i.e C2-C3) was noted in two specimens. No other anomalous fusion was observed in any other vertebrae. Conclusion: Abnormal fusion of C2-C3 vertebrae might be congenital or acquired. Fusion of C2-C3 is often detected only if the individual consults the clinician with symptoms. Many asymptomatic cases thus remain undetected. This anomaly is usually detected clinically by X ray and MRI scan. The anatomical knowledge of such anomalies might help clinicians in understanding symptomatology.