[The radiotherapy control of cervical adenopathies in undifferentiated epithelial tumors of the head and neck. The prognostic factors]. / Control con radioterapia de adenopatías cervicales en tumores epiteliales indiferenciados de cabeza y cuello. Factores pronósticos.

A total of 90 patients with undifferentiated carcinomas tumors the head and neck with clinical neck nodes who received intended radical irradiation, were studied by means of a multivariant analysis of 9 variables which defined cervical lymph node disease in oder to determine the prognostic factors for the control of the above mentioned adenopathy. The factors were as follows: lymph node response post-irradiation (p = 0.0000), condition of the primary (controlled-non controlled) (p = 0.0208).