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  2. Piflufolastat F-18 - Wikipedia

    en.wikipedia.org/wiki/Piflufolastat_F-18

    Prior to a single piflufolastat F-18 PET/CT scan, all of these participants had baseline conventional imaging performed that did not show definite spread of prostate cancer. [4] Piflufolastat F-18 PET detected at least one positive lesion in at least one body region (bone, prostate bed, pelvic lymph node, other lymph nodes, or soft tissue) in ...

  3. Rectal examination - Wikipedia

    en.wikipedia.org/wiki/Rectal_examination

    traditionally, the digital rectal examination (DRE) was considered an essential part of the physical examination for all trauma patients. However, the sensitivity of the DRE for injuries of the spinal cord, pelvis, and bowel is poor, and false positive and negative results are common. Thus, routine performance is unnecessary and generally ...

  4. Bone scintigraphy - Wikipedia

    en.wikipedia.org/wiki/Bone_scintigraphy

    Bone scan showing multiple bone metastases from prostate cancer. Some of the earliest investigations into skeletal metabolism were carried out by George de Hevesy in the 1930s, using phosphorus-32 and by Charles Pecher in the 1940s. [6] [7] In the 1950s and 1960s calcium-45 was investigated, but as a beta emitter proved difficult to image.

  5. Overdiagnosis - Wikipedia

    en.wikipedia.org/wiki/Overdiagnosis

    A dramatic increase in the number of new cases of prostate cancer was observed following the introduction of the PSA (prostate specific antigen) screening test. Because of the problem of overdiagnosis, most organizations recommend against prostate cancer screening in men with limited life expectancy—generally defined as less than 10 years ...

  6. Prostate - Wikipedia

    en.wikipedia.org/wiki/Prostate

    If a tumour is confirmed, medical imaging such as an MRI or bone scan may be done to check for the presence of tumour metastases in other parts of the body. [ 26 ] Prostate cancer that is only present in the prostate is often treated with either surgical removal of the prostate or with radiotherapy or by the insertion of small radioactive ...

  7. Cancer screening - Wikipedia

    en.wikipedia.org/wiki/Cancer_screening

    All cancer screening tests generate both false-positive and false-negative results, with a tendency to yield more false positives. [10] False-negative tests may provide a false sense of reassurance, possibly leading to a bad prognosis if the cancer is diagnosed at a later stage, despite the utilization of surgeries, therapies, and other treatments.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. False positives and false negatives - Wikipedia

    en.wikipedia.org/wiki/False_positives_and_false...

    The false positive rate (FPR) is the proportion of all negatives that still yield positive test outcomes, i.e., the conditional probability of a positive test result given an event that was not present. The false positive rate is equal to the significance level. The specificity of the test is equal to 1 minus the false positive rate.

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