Prostate Cancer Staging Radiology

This case illustrates a proven prostate cancer accidentally detected on transurethral resection of the prostate turp.

Prostate cancer staging radiology. 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. 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. Tnm staging system is used for staging prostate cancer.

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. The tnm system for prostate cancer is based on 5 key pieces of information. Magnetic resonance imaging mri uses a magnetic field radiofrequency pulses and a computer to produce detailed pictures of the body.

An old superseded staging system is the whitmore jewett staging system. For prostate cancer imaging is important for assessing both primary disease and metastasis. It helps in establishing the diagnosis staging and monitoring therapeutic response. The gleason score is used to determine the grade group.

For t staging a prostate mri is advised in. Locally advanced prostate cancer. Histology showed an acinar adenocarcinoma modified gleason score 3 3 6 g2a low grade. Both have the ability to impact greatly upon the selection of treatment.

The most widely used staging system for prostate cancer is the ajcc american joint committee on cancer tnm system which was most recently updated in 2018. Intermediate risk prostate cancer predominantly gleason 4 pattern isup 3 high risk localized prostate cancer. Transrectal ultrasonography trus is often initially performed to detect abnormalities and to guide biopsy usually following an abnormal psa level or dre. Tnm staging is based on clinical c and pathological p findings and if indicated on additional imaging findings.

Additionally there is some overlap with prebiopsy imaging assessment using prostate imaging reporting and data system pi rads. Doctors use prostate mri to evaluate the extent of prostate cancer and determine whether it has spread. 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. Prostate cancer staging takes into account tnm primary site nodal and distant metastases pretreatment psa and histological grading.