During his career he performed over 10.000 surgical procedures, most of them with a high degree of complexity. These interventions were carried out with innovative surgical techniques. They involved middle and inner ear lesions, anterior and lateral skull base pathology and head & neck cancer disease. The high number of endoscopic procedures he performed, with particular reference to the middle and inner ear and to the lateral skull base is worthy of notice. The number of such operations represents one of the world major case series in that specific field.