Light and electron microscopy of hydroxyapatite depositions in the ligamentum flavum.

STUDY DESIGN Ligamenta flava obtained from 24 patients who had undergone surgery for degenerative spinal diseases were investigated regarding the histopathology of hydroxyapatite crystal depositions. OBJECTIVES Light and electron microscopy and energy dispersive x-ray microanalysis were done to clarify the cause and process of hydroxyapatite crystal… CONTINUE READING