Caudal regression

Case contributed by Dr Sinéad Culleton

Presentation

Kyphosis and developmental delay.

Patient Data

Age: 3 years
Gender: Male
X-ray

The spinal column ends at the lower thoracic level. There is complete fusion of the iliac bones with absence of the sacrum and coccyx.

MRI

The spinal cord terminates at T5 with the spinal canal extending to T7. There is absence of the spinal column from T9.

Case Discussion

Caudal regression syndrome is due to abnormal development of the lower spine. It ranges in severity from an absent coccyx to lumbar and sacral agenesis. In severe cases, such as in this case, the last intact vertebrae are at the lower end of the thoracic cord, usually T11 or T12. On MRI the spinal cord terminus may be abnormally wedge shaped. This is due to the dorsal aspect of the cord extending more caudally than the ventral portion 1.

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Case information

rID: 45039
Case created: 12th May 2016
Last edited: 17th May 2016
Inclusion in quiz mode: Excluded

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