The second responder, does not understand the scope of practice of a CRNA. Many work without an anesthesiologist. They administer and monitor the anesthesia in the same manner as an anesthesiologist. There are differences in the educational process, and in the other positions which might be performed by an anesthesiologist.
Cancer Education. Chordoma is a rare cancerous (malignant) primary bone tumor that usually occurs along the spine. Chordoma most often occurs in the base of the spine (sacrum) or in the base of the skull.Chordomas form from small remnants of the notochord, a coil of cells in the embryo that develops into the spinal cord.A chordoma may occur at any age but is most common in adults.hordoma most often occurs in the base of the spine (sacrum) or in the base of the skull. Chordomas form from small remnants of the notochord, a coil of cells in the embryo that develops into the spinal cord.
Chordomas are relatively rare tumors that account for 2-4% of all primary malignant bone tumors. However, chordoma is the most common (20-34% of patients) primary malignant sacral neoplasm [1]. This tumor arises from intraosseous notochordal remnants.