A, ASSOCIATES, BACK, BIOPHOTO, CHIRURGIA, GRZBIET, IN, INTRADURAL, KONCZYNA, KORZEN, KORZENIE, LUMBAR, MASA, MASS, MEDICAL, MEDYCYNA, MEDYCZNA, MEDYCZNE, MEDYCZNY, MSZA, NAUKA, NERVE, NEUROFIBROMA, NEUROFIBROMATOSIS, PIEN, PLECY, PROCEDURE, ROOT, ROOTS, SCIENCE, SHEATH, SPINE, SURGERY, SURGICAL, THE, TUMOR, W,