Age distribution of cervical cancer in Saint Petersburg

Abstract

Objective: From 1980 to 1996 years, incidence of cervical cancer (CC) decreased from 13,1⁰/₀₀₀₀ to 8,22⁰/₀₀₀₀ increased indices (9,5⁰/₀₀₀₀) were registered at 1997 year in St. Petersburg. The main aim of our study was to identify the age distribution of cervical cancer (CC) in St. Petersburg at 1997.

Full Text

Methods: Information about 367 cases of CC at 1997 was presented from the Population Based Cancer Registry of St. Petersburg.

Results: There were no incidence of CC at the age before 15 years old, from 15 to 30 years - 4,7⁰/₀₀₀₀ from 30 to 40 years - 14,9⁰/₀₀₀₀, from 40 to 50 years - 16,9⁰/₀₀₀₀ from 50 to 60 years - 20,1⁰/₀₀₀₀, from 60 to 70 years - 18,0⁰/₀₀₀₀, from 70 to 80 years - 36,1⁰/₀₀₀₀ and older 80 years old - 21,1⁰/₀₀₀₀. Squamous carcinoma was observed in 92,3% cases of CC, adenocarcinoma - in 7,7% cases among women to 50years old and ones in 9,8% cases among women older than 50 years. Distribution according to FIGO clinical stages of patients with CC to 50 years was: I stage - 32,6% cases, II - 33,1%, III - 23,4% and IV - 10,9%. Distribution according to FIGO clinical stages of patients with CC older 50 years was: I stage - 17,6% cases, II - 19,6%, III - 44,9% and IV - 17,9%. Advanced CC increased from patients older 50 years. 73,6%o patients with CC at the age before 50 years were treated by surgery, 30,2% - by surgery and X-ray therapy and 24,5% - only by X-ray therapy. 21,2% patients with CC older 50 years were treated by surgery and X-ray therapy and 63,6% of ones were treated by X-ray therapy only.

Conclusions: Incidence of CC was increased in all ages in St. Petersburg at 1997. The I and II clinical stages were revealed in 66,7% patients to 50 years and till in 37,2% patients older 50 years. Patients to 50 years with CC were treated more frequently by surgery (73,6%) comparing with patients with CC older 50 years who were treated by X- ray therapy (63,6%).