RADIATION ONCOLOGY GREATER AREA DATABASE (ROGAD): CLINICAL ANALYSIS OF HEAD AND NECK

Abstract

We analyze the clinical data of the head and neck cancer in the Radiation Oncology Greater Area Database (ROGAD) in Japan. From the 2nd to 7th study of the ROGAD, a total of 8, 950 patients were registered. In ICD-O, coding numbers of from C00.0 to C14.8 and from 30.0 to 32.9 were considered as head and neck cancer. Clinical data of 1, 311 patients with head and neck cancer were evaluated in this study. Among the patients registered in the ROGAD, 17-18% of all items of TNM classification and stage were emptied. Fifteen percent of the patients with squamous cell cancer were treated without the information of the stage. The most important problem of this national-wide database is the quality of the data.