De Novo Plasmacytoma at the Site of Previous Anterior Cervical Fusion.

Abstract

Background and importance: Solitary plasmacytoma of bone (SPB) is a rare tumor that forms from monoclonal plasma cells within bone. These tumors are typically found in patients in their fifth to sixth decade of life and often progress to multiple myeloma. Previous reports have noted the formation of these tumors at the site of previous procedures or trauma, yet none have reported the development of SPB at the same site of a previous spinal surgery.

Clinical presentation: The authors report on a 47-year-old woman who developed a de novo plasmacytoma 6 years after anterior cervical discectomy and fusion at the surgical site.

Conclusion: Although SPB is a rare tumor primarily seen in bone that has been unaffected by surgery, it should be included in the differential after finding a tumor at the site of a previous spine surgery. Furthermore, biopsy should be considered once a lesion is identified in the area of a previous spine surgery, as SPB may progress to multiple myeloma, resulting in worse outcomes.