86 (2) pp 105

Congenital anomalies of the vertebrae in dogs

In this review article, a overview is given of the congenital pathologies of vertebrae in thedog. These pathologies are common in dogs and can be divided in two major groups: neural tubedefects or spinal dysraphism, such as spina bifida with or without meningocoele and dermal sinustract, and congenital anomalies of the vertebral column. The latter group can be subdivided inmalformations originating in the embryonic period of development, such as butterfly vertebra,mediolateral wedged vertebra and transitional vertebra, or in the foetal period, such as blockvertebra and dorsoventral wedged vertebra. Congenital vertebral anomalies can be incidentalfindings on radiographs or CT, but sometimes they can be the underlying cause of a clinical,mostly neurological problem. Due to pressure on the spinal cord, symptoms, such as pelvic limbataxia, paresis, loss of spinal reflexes, incontinence and atrophy of the pelvic limbs may occur.

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