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Postate cancer

Rachel Sparks, B Nicolas Bloch, Ernest Feleppa, Dean Barratt, Daniel Moses, Lee Ponsky, Anant Madabhushi
PURPOSE: Transrectal ultrasound (TRUS)-guided needle biopsy is the current gold standard for prostate cancer diagnosis. However, up to 40% of prostate cancer lesions appears isoechoic on TRUS. Hence, TRUS-guided biopsy has a high false negative rate for prostate cancer diagnosis. Magnetic resonance imaging (MRI) is better able to distinguish prostate cancer from benign tissue. However, MRI-guided biopsy requires special equipment and training and a longer procedure time. MRI-TRUS fusion, where MRI is acquired preoperatively and then aligned to TRUS, allows for advantages of both modalities to be leveraged during biopsy...
March 2015: Medical Physics
H Lilja, D R H Lilja
This report reviews developments in the early diagnosis and staging of prostate cancer and updated on the incidence of postate cancer to discuss the pros and cons of population based screening. Refinements and reliability of various diagnosic procedures are described such as PSA testing, transrectal ultrasound, ratio beteen PSA-level and ultrasound measured prostate volume, rate of change of PSA-level, combination factor equations computed by neural network programs to predict likelihood of prostate cancer, artificial neural network analysis of subvisual transrectal ultrasound information, measurements of different PSA-forms of PSA (in particular percent free PSA), and glandular kallikrein 2...
January 1999: Prostate Cancer and Prostatic Diseases
T M Chu, M C Wang, W W Scott, R P Gibbons, D E Johnson, J D Schmidt, S A Loening, G R Prout, G P Murphy
An immunochemical method for detection of prostatic acid prosphatase is described. Purified acid phosphatase was isolated from cancerous human prostate. A specific antiserum to the purified enzyme was produced in rabbits. The antiserum to postatic acid phosphatase did not react with acid phosphatase originating from other tissues. A counter immunolectrophoresis, utilizing the specific antibodies and a chemical staining technique, has been developed and clinically evaluated. Sera from patients with prostatic carcinoma (6/20 of stage B, 27/49 of stage C, and 98/125 of stage D) gave positive results...
January 1978: Investigative Urology
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