School ager with back pain Pediatric Imaging Musculoskeletal April 18, 2019July 16, 2019 AP and lateral radiographs of the spine shows a calcified paraspinal posterior mediastinal soft tissue mass to the left of the spine from T10-T12 with relative sparing of the disc spaces. A subsequent PPD was positive. The diagnosis was tuberculous osteomyelitis / diskitis. Related Published April 18, 2019July 16, 2019