Increase in incidence of invasive cervical cancerBMJ 1994; 309 doi: https://doi.org/10.1136/bmj.309.6959.954 (Published 08 October 1994) Cite this as: BMJ 1994;309:954
- S Ciatto,
- S Cecchini,
- M Zappa,
- A Biggeri
- Department of Diagnostic Medical Imaging, Centro per lo Studio e la Prevenzione Oncologica, 1-50131 Florence, Italy Department of Epidemiology, Centro per lo Studio e la Preventione Oncologica Department of Statistics, Faculty of Medicine, University of Florence, Florence, Italy.
EDITOR, - Commenting on the paper by J Elizabeth Macgregor and colleagues,1 S M Crawford suggests that changes in the incidence of invasive cervical cancer may be ascribed not only to a screening effect but also to cohort specific changes in incidence, possibly related to different sexual behaviour.2 A cohort effect may explain the recently reported rise in the incidence of invasive carcinoma. Macgregor and colleagues also report a rise in preinvasive disease, although …