Kai J. Lorenz is form Clinic for Otorhinolaryngology, Head and Neck Surgery, German Armed Forces Hospital, Germany. Some of his research interests include Treatment of Malignant Neoplasms of the Nasal and Paranasal Sinuses by Photodynamic Laser Therapy (PDT) With Temoporfin.

• Paranasal Sinuses disorders
• Otolaryngology