HÃ¼rthle cell cancer has the highest incidence of metastasis among the differentiated thyroid cancers. Metastatic disease is reported at the time of initial diagnosis in 10-20% of patients and in 34% of the patients overall.
By Michael Perry, M.D. Foraminal narrowing, or foraminal stenosis, is a condition of the spine that can cause pain and other symptoms resulting from spinal nerve root compression. At every level of the spine, a pair of nerve roots runs through the spinal column via small openings called foramina (singular: foramen).
FORAMEN-Opening or passage in bones where blood vessels and nerves enter and leave. The foramen magnum is the opening of the occipital bone through which the spinal cord pas â¦ ses.one is living tissue, it is not just a piece of rock, and it needs blood to live, as any other tissue in the body does. Also, the interior of a bone contains marrow, which is â¦ where new blood cells are made. Bones have other purposes, aside from their structural purpose.