Sacral [or lumbosacral agenesis in severe cases where lumbar spine is also involved] characterized by absence of the variable portion of the caudal portion of the spine. It is a very rare deformity.
Patients with this deformity lack motor function at the affected vertebral level and sensory functions below the affected level.
It is also known as
- Caudal dysplasia
- Caudal dysplasia sequence
- Caudal regression syndrome
- Sacral regression
- Lumbo sacral agenesis
Renshaw classification divides the condition into four groups depending on amount of sacrum remaining and the characteristics of the articulation between the spine and the pelvis [Read more...]