Treatment of cancer
Cancer treatment programmes The main goals of a cancer diagnosis and treatment programme are to cure or considerably
prolong the life of patients and to ensure the best
possible quality of life to cancer survivors. The most effective and efficient treatment programmes are those that: a) are provided in a
sustained and equitable way; b) are linked to
early detection; and c) adhere to evidence-based
standards of care and a multidisciplinary
approach. Such programmes also ensure adequate therapy
for cancer types that, although not amenable to
early detection, have high potential for being
cured (such as metastatic seminoma and acute
lymphatic leukaemia in children), or have a good
chance of prolonging survival in a significant way (such as breast cancer and advanced lymphomas). Diagnosis The first critical step in the management of cancer is to establish the diagnosis based on
pathological examination. A range of tests is
necessary to determine the spread of the tumour.
Staging often requires substantial resources that
can be prohibitive in low-resource settings. Because of late diagnosis, however, a consequence of poor access to care, most
patients have advanced disease in such settings. Once the diagnosis and degree of spread of the tumour have been established, to the extent
possible, a decision must be made regarding the
most effective cancer treatment in the given
socioeconomic setting. Major treatment modalities This requires a careful selection of one or more of the major treatment modalities – surgery,
radiotherapy and systemic therapy – a selection
that should be based on evidence of the best
existing treatment given the resources available.
Surgery alone, and sometimes radiation alone, is only likely to be highly successful when the tumour is localized and small in size.
Chemotherapy alone can be effective for a small
number of cancers, such as haematological
neoplasms (leukaemias and lymphomas), which
can generally be considered to be widespread from the outset. Combined modality therapy requires close collaboration among the entire
cancer care team.
Source-
http://www.who.int/cancer/treatment/en/

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