Screening for cervical intraepithelial neoplasiaBMJ 1994; 309 doi: https://doi.org/10.1136/bmj.309.6948.195 (Published 16 July 1994) Cite this as: BMJ 1994;309:195
- S M Crawford
- Cancer Medicine Research Unit, University of Bradford, Bradford BD7 1DP.
EDITOR, - J Elizabeth Macgregor and colleagues show that the incidence of invasive cervical cancer fell sharply in women aged 40-69 who had been well screened and had had the opportunity of repeat screening.1 Screening was associated with a tendency to present at an earlier stage. Though their evidence clearly shows that treatment of cervical intraepithelial neoplasia influences the course of the disease, their attribution of the changes in the population incidence and mortality due to cervical cancer to the screening over-simplifies the …