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Probability to retrieve testicular spermatozoa in azoospermic patients

Asian Journal of Andrology 2000年第3期2卷 199-205页

作者： H.-J.Glanden L.-C.Horn W.Dorschner u.paasch J.Kratzsch Department of Dermatology/Andrology unit Department of Dermatology Department of PathologyDepartment of Dermatology Department of UrologyDepartment of Dermatology/Andrology UnitDepartment of Clinical Chemistry and Pathological Biochemistry University of Leipzig D-04103 Leipzig Germany

Aim: The degree of probability to retrieve spermatozoa from testicular tissue for intracytoplasmic sperm injection intooocytes is of interest for counselling of infertility patients. We investigated the relation of sperm retrieval to clinical dataand histological pattern in testicular biopsies from azoospermic patients. Methods: In 264 testicular biopsies from142 azoospermic patients, the testicular tissue was shredded to separate the spermatozoa, histological semi-thin sec-tions of which were then evaluated using Johnsen score. Results: The retrieval of spermatozoa correlated signifi-cantly (P ular volume (r = 0.49), the FSH concentration ( r = -0.66), the maximum score(r = 0.85) and the mean Johnsen score (r = 0.81). In the multivariate regression analysis the successful testicularsperm extraction showed the closest relationship to the maximum score. The testicular volume correlated significantlywith the mean Johnsen score ( r = 0.64, P um FSH concentration mainly with the maxi-mum score ( r = -0.77; P ular disease in the past (3.7 ± 2.4 vs. 5.9 ± 2. 5; P usion: In a limited range, the testicular volume and the FSH concentration in serum were related to theJohnsen score which correlated significantly with the sperm retrieval. The successful sperm retrieval can be expected inall azoospermic patients irrespective of the results of clinical examination. However, the probability of retrieval of sper-matozoa decreased significantly in patients with a FSH level > 18 u/L, tesficular volume um Johnsen score < 7.

关键词： sperm extraction testicular histology azoospermia male infertility follicle stimulating hormone

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