Carcinoma of the hypopharynx: Analysis of incidence and survival in Sweden over a 30-year period

摘要: Background The aim of the study was to analyze whether there were any changes in incidence and prognosis hypopharyngeal carcinomas diagnosed between 1960 1989 Sweden. Methods Data primary malignant tumors reported Swedish Cancer Registry collected. The total number cases 2012, 1396 men 616 women, end follow-up December 31, 1992. Results For a significant decrease age-standardized (ASI) seen, with an average 2% per year (p < .001), which most evident rural counties. male patients, on contrary, showed increase about 1.5% .001); metropolitan areas had ASI twice that more-rural areas. 2- 5-year overall survival poor, only 25% 13%, respectively. For women aged <60 years, no difference different 10-year periods but for corresponding ages improved significantly .01) during last decade, reach similar women. patients ≥60 or sexes seen. Conclusion The increased cancer is observed oral pharyngeal many European countries this period. disappearance Plummer-Vinson syndrome may explain decreased among treatment results are still very improvements therapeutic methods needed. © 1998 John Wiley & Sons, Inc. Head Neck 20: 714–719, 1998.