منابع مشابه
Obstructive azoospermia
Obstructive azoospermia (OA) is defined as the absence of spermatozoa in the ejaculate despite normal spermatogenesis, but either a mechanical blockage exists in the genital tract between the epididymis and the ejaculatory duct or the vasa deferentia are absent. A normal testicular biopsy is pathognomonic for obstruction, and a vasography should be indicated to identify the site of the obstruct...
متن کاملObstructive and Non-Obstructive Azoospermia
Azoospermia is defined as the complete absence of spermatozoa upon examination of the semen [including capillary tube centrifugation (CTC), strictly confirmed by the absence of spermatozoa issued in urine after ejaculation]. The presence of rare spermatozoa (<500.000/ml) in seminal fluid after centrifugation is called "cryptozoospermia". The complete absence of spermatozoa should be confirmed w...
متن کاملSecretory azoospermia or non-obstructive azoospermia?
In the non-obstructive azoospermia versus the secretory azoospermia it is first necessary to have a clear assessment and definition and then takes care of the patient before the surgical sampling taking into account the age of the woman and in fine try to optimize the residual spermatogenesis. Biopsy seems to be the "gold standard" in non-obstructive azoospermia. The mean level of retrieval (ex...
متن کاملMicrosurgical vasoepididymostomy for obstructive azoospermia
Infertility is defined as the inability to conceive after 1 year of regular unprotected sexual intercourse. About 15% of couples are affected. Male factors account for about 50% of couples with infertility.1 Approximately 10 to 15% of infertile men suffer from azoospermia—complete absence of sperms in the ejaculate. Among these azoospermic patients, approximately 40% have complete obstruction i...
متن کاملSperm retrieval for obstructive azoospermia
Advances in the treatment of male infertility now routinely allow men with obstructive azoospermia to have fertility treatment without microsurgical reconstruction. A variety of methods for retrieving sperm from men with obstructive azoospermia have been described. The goals of sperm retrieval are to obtain the best quality sperm possible, to retrieve adequate numbers of sperm for immediate use...
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ژورنال
عنوان ژورنال: Urologiya
سال: 2020
ISSN: 2307-5279
DOI: 10.26641/2307-5279.24.1.2020.199493