Myelopathy due to Ossification of Ligamentum Flavum

ABSTRACT

The 4 cases of myelopathy due to ossification of the ligamentum flavum are reported. This disease is often misdiagnosed by the central disc herniation, cauda equina tumor or lower motor neuron disease. The most useful diagnostic procedure is the computerized tomographic myelopgraphy. The sufficient decompressive laminectomy and facetectomy is a treatment of choice.