What is the medical term often associated with the typical finding of wedging of T7-T9 vertebrae in children?

The medical term commonly associated with the finding of wedging of the T7-T9 vertebrae in children is Scheuermann's disease. This condition, also known as Scheuermann's kyphosis, is characterized by abnormal curvature of the spine, specifically a forward curvature (kyphosis) that is often most pronounced in the thoracic region. In children with Scheuermann's disease, the vertebrae become wedge-shaped, which leads to an increase in the kyphotic curve.

Unlike other options, such as kyphosis (which refers generally to an excessive curvature of the spine) or lordosis (which indicates an excessive inward curvature of the lumbar spine), Scheuermann's disease specifically describes a developmental condition that affects the vertebral shape and configuration leading to the wedging seen in the middle back.

Scoliosis, on the other hand, refers to a lateral curvature of the spine and is not directly related to the characteristic wedging of thoracic vertebrae seen in Scheuermann's disease. Thus, the context of vertebral wedging in children establishes Scheuermann's disease as the most accurate term reflecting this specific spinal deformity.