抄録
Multiple primary carcinomas were regarded as unusual. Improvements in diagno-stic techniques and treatment as well as extension of the average life span have increasedthe incidence of multiple cancers in recent years. Reports of triple or more cancers, however, are very scarce. In this paper, a very unusual case of quintuple malignancies is reported.
The patient was a 64-year-old woman who had a squamous cell carcinoma of the buccalmucosa. During the following 9 years, breast carcinoma, squamous cell carcinoma of thegingiva of the mandible, and malignant lymphoma of the submandibular region developed. The patient died of heart failure during treatment for malignant lymphoma. Autopsyreveale the presence of adenocarcinoma of the colon.
