Staging,and,grading,prostate,c health Staging and grading of prostate cancer
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Staging and GradingOnce the diagnosis of prostate cancer has been made the disease has to be staged and graded. The stage refers to the extent and spread of the disease while the grade refers to the nature (aggressiveness) of the particular tumor. Staging will determine the extent of disease and provide important prognostic information that will influence the management decisions. Staging investigationsPSA X-rays of lumbar spine and pelvis Chest X-ray Radionuclitide bone scanMTI scan of pelvisTNM Staging systemT stage (extent of primary lesion)T1 - tumor confined to prostate, not palpable or visible on TRUS T2 - tumor palpable or visible on TRUS but confined to prostate T3 - spread beyond the prostatic capsule T3a - extracapsular spread only T3b - involvement of the seminal vesicles T4 - invasion into rectal wall, bladder neck or pelvic wall N (Nodal) statusN0 - regional nodes not involved N1 - regional nodes involved by tumor M (Distant Metastases)M0 - no distant metastases M1 - distant metastases present GradingGrading refers to what the cancer looks like under a microscope. The most commonly used system is the Gleason grade and score. The glandular pattern is compared to that of a normal prostate and scored out of 5, where 1 resembles a pattern very close to normal and 5 resembles severely distorted glandular architecture. The two predominant glandular patterns within the cancer are graded out of 5 and the combined score calculated out of 10. The higher the Gleason score, the more aggressive is the tumor and the worse is the prognosis. Patients with cancers confined to the prostate (T1 and T2) and no involvement of the lymph nodes or other organs (N0 and M0) are potentially curable by surgery or radiotherapy. Patients with disease beyond the prostate are not curable.With our next information we will inform you about the Risk factors for enlarged prostate so you should have a look on this site in the next 2 weeks! If you have any question sends us your e-mail.Health-Service-OnlineFritz Frei Adminhttp://www.cancer-info.info
Staging,and,grading,prostate,c