Fibrous Dysplasia of the Spine - A Case Involving Three Levels of Thoracic Spine.

Introduction: Involvement of the spinal column in either monostotic or polyostotic form is rare, with fewer than thirty-five cases discussed in the literature. Most of the cases of polyostotic fibrous dysplasia of spine have involvement of the appendicular skeleton.

Case Report: We report a case of a 74-year-old Irish man with a two month history of back pain.