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<<Bone marrow transplant
Hormones
Hormone treatment is often recommended with breast and prostate
cancers. Hormonal intervention with these two cancers, however, is very different.
FOR BREAST CANCER
It has long been known that a majority of breast
cancers respond to hormones. For this reason, the removal of the ovaries was a common
treatment. This has been superseded by hormonal drugs, such as tamoxifen, which is taken
orally, and has few side effects. It should be taken for at least five years, through
doctors may suggest that two years is adequate. About half of patients with
hormone-responsive breast tumours will get good results.
FOR PROSTATE CANCER
Hormones cannot cure prostate cancer, but they can
slow the growth. The idea behind the treatment is that the male hormone, testostrerone,
helps prostate cancer cells to thrive. Removing this hormone slows the rate of growth. One
way in which this can be done is through surgical castration. Another way is through oral
hormone pills that feminise the patient. The side-effects of this therapy are often severe
- besides breast development and body hair loss, there can be deep-vein thrombosis
(blood-clotting). In
fact, the side-effects of all such drugs should be considered with care. Those for
hydrocortisone, one of the drugs used, include raised blood pressure, heart trouble, mood
changes, blood clots, thinning of the bone leading to increases in fractures, bruising,
changes in vision and acne. It doesn't include loss of sexual interest, through this too
will almost certainly happen.Sometimes the chest may be irradiated to stop the oestrogen
causing breast formation - the result can be painful. The difficulty is that these
hormones have to be taken for life. Taking hormones for prostate is clearly a tough option
- very severe side-effects have to be borne, for a less than satisfactory objective.
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