The patient went on to have a laminectomy and resection of the lesion which confirmed the absence of tumor and supported the diagnosis of an extruded disc.

Histology:

MICROSCOPIC DESCRIPTION: Sections show diathermied fibroadipose tissue with foci of dystrophic calcification, hemosiderin laden macrophages and degenerative changes. No tumor is seen.

DIAGNOSIS: Fibroadipose tissue with degenerative changes.