Results: The age of onset was 60~90 at most,received 37.

Conclusion Oncocytic carcinoma had a predilection for elder people and with no significant variance of mobidity and age of onset with respect to genders.

Objective To investigate the age of onset of psoriasis vulgaris and explore the factors correlated with the development of psoriasis vulgaris.

Analysis of the chages of incidence age of patients with cervlcal cancer intleperiod of 23 years in chang-chun;

Objective To analyze the change of trend and regulation of incidence age of patients with cervical cancer in Yichang city from 1982 to 2004,and to provide scientific basis for prevention and treatment of cervical cancer.