from Medical topics
Published online by Cambridge University Press: 18 December 2014
Technological advances have provided the means whereby several cancers can be screened by a range of devices. These include the use of automated cytology scanning for abnormal cells in cervical smears, mammographic techniques for the early detection of breast tumours, and the use of genetic screening methods to detect various cancers which are to a greater or lesser degree genetically determined (e.g. some breast and colonic cancers) (see ‘Screening: cancer’). Such developments notwithstanding, there remains a potential role for self-examination procedures since (a) there remain many cancers for which technological procedures are not available (b) some procedures involve elements of risk, for example, the use of ionizing radiation in mammography, which limit the frequency with which they can be applied and (c) practical constraints may limit the applicability of the procedures to only a subset of those at risk.
For example, in the UK some 1 in 12 women will have breast cancer at some point in their lives, but for a number of reasons, (including logistical reasons and variation in the characteristics of the disease in women of different ages), screening by invitation is currently available only once every three years, and only to women in the 50–64 age group (with plans for extension up to age 70 in the near future). Yet breast cancer is far from unknown in younger women, and nor is it unknown for a tumour to grow to a significant size in less than the three-year time interval between successive examinations.
To save this book to your Kindle, first ensure [email protected] is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about saving to your Kindle.
Note you can select to save to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be saved to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.
Find out more about the Kindle Personal Document Service.
To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Dropbox.
To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.