Spina bifida aperta

The crevice vertebra is a congenital malformation of the spine due to an abnormal development of the vertebral body. It is distinguished from the butterfly vertebra, where the gap in the sagittal plane of the vertebral body and rarely the frontal vertebral column, where the gap occurs in the frontal plane.

Crevice vertebrae are associated with various disorders, most commonly chondrodysplasia punctata, knee dysplasia and mesomelios, and metastatic dysplasia.

The disease can also have no disease value as a standard.