Figure 2From: Undiagnosed osteoid osteoma of the spine presenting as painful scoliosis from adolescence to adulthood: a case report Consecutive CT slices of the T12 vertebra. The nidus can be seen at the pars interarticularis, with reactive sclerosis of the superior articular process and lamina and marrow oedema of the pedicle extending up to the vertebral body.Back to article page