Example of an ultrasound impacted by prostate cancer. Cancer develops from the tissues of the prostate, a gland in the male reproductive system when cells will mutate to spread so uncontrollably.
These can spread ( metastasize is ) in migrating from the prostate to other bits of the body ( particularly bones and lymph nodes ).
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It is in the overwhelming majority of cases adenocarcinoma.
Prostate trouble could cause discomfort, difficulty urinating, penile dysfunction and other symptoms.
It is less widespread in South East Asia and Far East, commoner in Europe and even the united states.
Prostate cancer develops most often in men over 50 years. This is the sort of cancer most common in men, where he's in charge of more deaths than any other cancer ( except lung cancer ). However many men who develop prostate trouble symptoms do not, don't undergo any therapy and die for other reasons. Many factors of genetic origin, toxicological and diet-related appear involved in the development of this cancer.
We find outbreaks of carcinogenic cells in 30 to 70% of cases in studies performed in autopsies of men 70 to eighty years ; prostate cancer remains the most frequently asymptomatic : the probability of a man 50 years know a diagnosis of prostate cancer is only 10%.
There are major differences in the expression of this cancer, which appears commoner among the black man, or where the family has a history pathological with this condition. From 1983-2002, while deaths from cancer were generally higher in the Caribbean city, deaths from prostate cancer and stomach were twice as often found in the Caribbean in the mainland ( while colorectal cancer and lung cancer were 3 times less frequent ). This could be explained by both genetic reasons and food ( green tea and / or soybeans or other foods rich in selenium ) which appear to protect most jap living in Japan ( while living in the united states isn't ).
There is a genetic predisposition and the presence of certain genes seems a little interrelated with the onset of the illness.
Nutritional causes were discussed with a possibly protective role of lycopene. In a similar fashion, exercise may have a a little protective effect and tobacco a deleterious effect.
In most cases, prostate cancer is asymptomatic, ie it is discovered when it doesn't own event to it. It is most often found :
The PSA is a protein usually secreted by prostate cells, but cancer cells secrete 10 times more than a standard cell. This property has raised many hopes in terms of screening. The blood level of PSA can be increased by plenty of other factors ( the prostate volume, infections and / or redness, the mechanical ( digital rectal other ) ... ) or decreased by certain treatments for benign hypertrophy ( ministered ). The thresholds of significance are thus tough to establish. It is recognized rates of PSA between 4 and 10 ng / ml are doubtful, but it is obviously major beyond. Some authors have proposed to bring the rate to its precise weight of the prostate, or assess the free PSA / total PSA, or the kinetic growth rate over 2 years.
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