Cancer - the malignant tumour arising from cells of an epithelium of a skin, parenchymatous organs and mucosas. Periodically the term "cancer" use for a designation of all malignant neoplasms.
The Structure of a tumour is bound to structurally functional features of cells of an organ or a tissue. In most cases in the tissues adjoining an environment and covered by a multilayer flat epithelium, there is a planocellular cancer.
The symptomatology is various, however is available a little most often
Meeting and constant attributes of a cancer :
"Causeless" growing thin
Depression of appetite or its change
Disturbance of a chair
Unmotivated delicacy
Persistent tussis
Constant or transient stethalgias or a stomach
"Inexplicable" fervescences
Change of a timbre of a voice
Unpleasant sensations at a swallowing or passage of nutrition on an esophagus
the Anemia
Occurrence of a blood in a feces and urine
Allocation from sexual ways, including and a blood, especially on a background of a menopause
Inspissations in a mammary gland and allocation from a papilla
To suspect a tumour it is possible on the basis of pathological displays from other systems and organs. At occurrence one or several of these signs (considering a floor and age of the patient) the urgent purposeful and profound inspection is necessary.
In some cases the first clinical attributes a cancer happen are bound to a metastatic lesion. The primary cancer of a kidney, for example, can be shown by pathological fracture of a long tubular bone in the field of a metastasis, resulted a weak trauma or the moderate load.
Treatment of a cancer.
Treatment of a cancer depending on character of a tumour (localization, a stage of disease, a structure of a tumour) provides use of various methods. Among surgical methods except for radical operations in the form of excising a tumour or its excision together with the struck organ the wide circulation was received with a destruction of a tumour by means of laser radiation or low temperatures (cryolysis).
Some kinds of a cancer are sensitive to action of an ionizing radiation,
At others the chemotherapy is effective. The wide circulation has received the combined treatment with consecutive or simultaneous application of various methods.
Medical tactics is defined individually depending on localization, forms of a cancer, a stage of disease and of some other parameters in view of the most effective schemes and regimens of introduction of antitumoral agents.
The forecast treatments of a cancer depends on many factors - localizations, stages, age of a sick, morphological variant of a tumour. The Great value for the forecast has revealing a cancer at early stages of its development,
Since its many kinds, for example a cancer of a labium, a skin, a neck of a uterus, at early revealing and adequate treatment can be completely cured.
Prophylaxis of a cancer is based on the same principles, as prophylaxis of all malignant tumours. Individual measures provide keeping the healthy way of life including mainly elimination of bad habits - smoking and abusing alcohol (especially concerning tumours of a liver, an esophagus and a stomach), performance of rules of personal hygiene.
For preparation of given article materials of "The Medical encyclopedia" Russian Academy of Medical Science were used. Comments of the author are personal opinion and for objectivity do not apply. It is not recommended to use the given materials for independent treatment of a cancer.