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Is Serum Prostate-Specific Antigen a Reliable Prostate Cancer Marker in Liver Transplant Candidates.

Is Serum Prostate-Specific Antigen a Reliable Prostate Cancer Marker in Liver Transplant Candidates.
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Tonyali S, Aksoy E, Sobaci E, Akdogan M, Ceylan C, Bostancı EB, Akoglu M,


Tonyali S, Aksoy E, Sobaci E, Akdogan M, Ceylan C, Bostancı EB, Akoglu M, (click to view)

Tonyali S, Aksoy E, Sobaci E, Akdogan M, Ceylan C, Bostancı EB, Akoglu M,

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Experimental and clinical transplantation : official journal of the Middle East Society for Organ Transplantation 2018 04 04() doi 10.6002/ect.2017.0259

Abstract
OBJECTIVES
In this study, we aimed to determine whether the prostate-specific antigen level is a reliable marker of prostate cancer in patients with hepatic insufficiency, based on evaluation of alterations in serum prostate-specific antigen levels after liver transplant in patients with hepatic insufficiency.

MATERIALS AND METHODS
Medical records of all patients who underwent liver transplant at our hospital between January 2003 and June 2017 were retrospectively reviewed. Male patients who were > 40 years old with available pre- and posttransplant serum total prostate-specific antigen levels were included in the study.

RESULTS
Our study included 36 male patients with a mean age of 54.6 ± 5.3 years (range, 45-73 y) at the time of liver transplant. The mean pretransplant serum total prostate-specific antigen level was 0.75 ± 0.77 ng/mL, which was significantly lower than the mean posttransplant level of 1.29 ± 1.57 ng/mL (P < .05). The pretransplant serum total prostate-specific antigen level was measured a mean of 4.9 ± 5.4 months before liver transplant versus a mean 27.6 ± 16.3 months after transplant. Prostate-specific antigen velocity was 0.2 ng/mL/year. Biochemical tests of liver function, including the mean serum levels of bilirubin, international normalized ratio, and albumin, were normal after liver transplant at 1.37 ± 2.33 mg/dL, 1.22 ± 0.36, and 4.16 ± 0.69 g/dL, respectively. CONCLUSIONS
Serum prostate-specific antigen levels may decrease in patients with hepatic insufficiency/cirrhosis; therefore, a low serum prostate-specific antigen level may not be a reliable marker for excluding prostate cancer in such patients. Transplant surgeons and clinicians must be aware of this so that all male transplant candidates > 40 years old are evaluated via digital rectal examination, regardless of the serum prostate-specific antigen level.

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