Brown Tumor of the Spine and Progressive Paraplegia in a Hemodialysis Patient

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Abstract

Study Design.

Case report.

Objective.

To describe the radiographic features and management of spinal brown tumor and to document tumor mineralization after parathyroidectomy.

Summary of Background Data.

Brown tumors are classic skeletal manifestations of hyperparathyroidism usually seen in severe forms. They are increasingly rare because hyperparathyroidism is now diagnosed and treated at an early stage.

Methods.

A case of brown tumor of the spine in a 37-year-old woman on chronic hemodialysis is described. The imaging findings before and after parathyroidectomy are discussed.

Results.

In a woman on chronic hemodialysis, a brown tumor of T8 caused acute spinal cord compression with paraplegia. Magnetic resonance imaging provided an accurate evaluation of the lesion, and needle biopsy confirmed the diagnosis. Emergent surgery was needed to relieve the spinal compression and stabilize the spine. The vertebral lesion underwent remineralization after parathyroidectomy.

Conclusion.

Brown tumor is a benign tumor that resolves after parathyroidectomy. When brown tumor arises in the spine, surgery may be needed to preserve neurologic function.

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