[New trends in head and neck tumour diagnosis (author's transl)].

Clinical examination and conventional radiology, endoscopy and histology until today form the basis for diagnosis of head and neck tumours. Now magnifying endoscopy, cytology and computerized axial tomography are becoming more and more important. Experience shows that the magnifying endoscope is suitable for every otolaryngologist. Cytology deserves critical appraisal and computerized axial tomography has become important in preoperative tumour assessment.