Prostate Cancer Staging Radiology
A staging system is a standard way for the cancer care team to describe how far a cancer has spread.
Prostate cancer staging radiology. Prostate cancer staging takes into account tnm primary site nodal and distant metastases pretreatment psa and histological grading. Early detection diagnosis and staging tests to diagnose and stage prostate cancer most prostate cancers are first found as a result of screening with a prostate specific antigen psa blood test or a digital rectal exam dre. Mri was done for radiation therapy planning and staging purposes and shows two foci in the right apical and midglandular anterior and posterolateral peripheral zones. This case illustrates a proven prostate cancer accidentally detected on transurethral resection of the prostate turp.
Histology showed an acinar adenocarcinoma modified gleason score 3 3 6 g2a low grade. For prostate cancer imaging is important for assessing both primary disease and metastasis. For t staging a prostate mri is advised in. Intermediate risk prostate cancer predominantly gleason 4 pattern isup 3 high risk localized prostate cancer.
Magnetic resonance imaging mri uses a magnetic field radiofrequency pulses and a computer to produce detailed pictures of the body. Tnm staging system is used for staging prostate cancer. Both have the ability to impact greatly upon the selection of treatment. An old superseded staging system is the whitmore jewett staging system.
Staging prostate cancer can be divided into local staging for the purpose of identifying extracapsular extension ece and distant staging for the purpose of identifying lymph node and bone metastases. Magnetic resonance imaging mri prostate. Because prostate cancer is now commonly detected early an important role of imaging has become locating the disease within the gland. Additionally there is some overlap with prebiopsy imaging assessment using prostate imaging reporting and data system pi rads.
Radiation therapy also called x ray therapy uses high levels of radiation to kill prostate cancer cells or keep them from growing and dividing while minimizing damage to healthy cells. See screening tests for prostate cancer. Prostate cancer is one of the less common causes of cannonball metastases to the lung. Transrectal ultrasonography trus is often initially performed to detect abnormalities and to guide biopsy usually following an abnormal psa level or dre.
It helps in establishing the diagnosis staging and monitoring therapeutic response. Locally advanced prostate cancer. The gleason score is used to determine the grade group. Tnm staging is based on clinical c and pathological p findings and if indicated on additional imaging findings.