Cervical digit: a rare developmental anomaly

Abstract

A 62-year-old man was admitted to the emergency department presenting with post-traumatic neck pain. Lateral radiograph and computed tomography of the cervical spine demonstrated a phalanx-like osseous structure with a clear cortex and medulla (digit or rib) posterior to the spinous process of the C5 vertebra and degenerative osteoarthritis without significant traumatic bone or soft tissue pathology (Figs. 1 and 2). The patient was treated with nonsteroidal anti-inflammatory drug and was given a cervical collar. Cervical digit (also known as cervical rib or finger) is an extremely rare developmental anomaly. It is usually seen in the pelvic soft tissues and abdomen, or less commonly around the vertebral column as an incidental finding. It can be associated with one or more pseudoarticulation. It should be differentiated from other diseases, such as heterotopic ossification, osteochondroma, and traumatic avulsion injuries, to avoid any unnecessary investigations or interventions [1]. Reference