Figure 2From: Congenital scoliosis in monozygotic twins: case report and review of possible factors contributing to its development Anterior posterior plain X-ray of the first twin at the age of 11 years demonstrates a left thoracic scoliosis with an upper curve from Th6 – Th10 and a semiincarcarated hemivertebra and a lower curve Th10 – L2 with a Cobb angle of 34°. Back to article page