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The pituitary-Leydig cell axis before and after orchiectomy in patients with stage I testicular cancer.
MedLine Citation:
PMID:  21704509     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
INTRODUCTION: This study investigates the pituitary-Leydig cell axis in patients with stage I testicular germ cell cancer (TGCC) followed with surveillance only, in order to evaluate the risk of Leydig cell dysfunction one year after orchiectomy. PATIENTS AND METHODS: A retrospective evaluation of reproductive hormones in patients with unilateral stage I TGCC (N=72) without relapse diagnosed between 1990 and 2008. A group of healthy males (N=706) served as controls. RESULTS: Before orchiectomy there were no significant differences in luteinizing hormone (LH) and testosterone (T) levels between human chorionic gonadotropin (hCG)-negative patients and controls, although 33% of the patients were outside the 97.5 percentile when using bivariate LH/T evaluation. At 1-year follow-up there was a significant increase in LH (ΔLH=2.04IU/L, p<0.001), and 57% of the patients had an LH/T relation outside the 97.5 percentile. CONCLUSION: Patients with stage I TGCC are at increased risk of having an LH/T relation outside the normal range one year after orchiectomy, suggesting insufficient Leydig-cell function. Whether a proportion of these patients will develop manifest hypogonadism and benefit from androgen therapy is yet to be clarified.
Authors:
Mikkel Bandak; Lise Aksglaede; Anders Juul; Mikael Rørth; Gedske Daugaard
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-6-23
Journal Detail:
Title:  European journal of cancer (Oxford, England : 1990)     Volume:  -     ISSN:  1879-0852     ISO Abbreviation:  -     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-6-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9005373     Medline TA:  Eur J Cancer     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ltd. All rights reserved.
Affiliation:
Department of Oncology, Copenhagen University Hospital, Rigshospitalet, Blegdamsvej 9, DK-2100 Copenhagen, Denmark.
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