No abstract available.
Azoospermia*

No abstract available.
Azoospermia* ; Vasovasostomy

No abstract available.
Azoospermia* ; Sarcoidosis*

No abstract available.
Azoospermia* ; Diagnosis*

Background: The male infertility accounts for approximately 40%-50%, in which the cases without sperms in semen occupy nearly 5% for Obstructive Azoospermia (OA). Percutaneous Epididymal Sperm Aspiration (PESA) in combination with serum FSH (Follicle Stimulating Hormone) test was effective in the diagnosis and treatment of this disease. Objectives: To evaluate preliminarily the results of the technique of PESA in the diagnosis of OA and in combination with intracytoplasmic sperm injection (ICSI) for treating male infertility. Subjects and method: A longitudinal, interventional study was carried out on 110 cases of male infertility treated at the Assisted Reproductive Technology Center of National Hospital of Obstetrics and Gynecology from August 7th 2005 to July 30th 2006. All patients underwent PESA and then testicular fine needle aspiration (TEFNA) if necessary. Results: The mean age of patients was 34.75+/-6.68 years. Among 110 patients, 54 cases (49.1%) had post-operative diagnoses of OA, 56 cases (50.9%) were diagnosed with complete azoospermia after PESA and TEFNA procedures. There were correlations between the volume of left and right testis and the probability of sperms in testing samples (p= 0.03 and =0.05, respectively). Also, serum FSH concentration related to the positive result of sperm test (p< 0.0001). Conclusion: PESA is less-invasive and exact method to the diagnosis of azoospermia. It should be done PESA for patients with testis volume >=10ml and serum FSH concentration <20mIU/mL.
azoospermia ; Percutaneous Epididymal Sperm Aspiration

No abstract available.
Apoptosis* ; Azoospermia* ; Humans* ; Mass Spectrometry* ; Testis*

This study was designed to evaluate the usefulness of the GnRH stimulation test in 83 infertile azoospermia and oligoasthenospermia patients. GnRH stimulation test may be helpful not only to differentiate hypogonadotropic hypogonadism of pituitary or hypothalamic origin, but also to identify early Sertoli cell insufficiency in patients with normal basaI FSH level.
Azoospermia ; Gonadotropin-Releasing Hormone* ; Humans ; Hypogonadism

This study was designed to evaluate the usefulness of the GnRH stimulation test in 83 infertile azoospermia and oligoasthenospermia patients. GnRH stimulation test may be helpful not only to differentiate hypogonadotropic hypogonadism of pituitary or hypothalamic origin, but also to identify early Sertoli cell insufficiency in patients with normal basaI FSH level.
Azoospermia ; Gonadotropin-Releasing Hormone* ; Humans ; Hypogonadism

The XYY syndrome is a rare entity, which is a phenotypic man with a 47 XYY It was first reported by Sandberg and associates in 1961. The XYY individual is seldom detected during childhood or even in adult because the features of XYY syndrome are often subtle and not overtly suggestive of a chromosomal abnormalities. We have reported a case of XYY syndrome associated with absence of pubic and axillary hair, no voice mutation and azoospermia. Clinical, endocrinologic and genetic studies were presented and theories regarding the etiology of the XYY syndrome were discussed with review of the literature.
Adult ; Azoospermia* ; Chromosome Aberrations ; Hair ; Humans ; Voice

Azoospermia is determined when no spermatozoa can be detected on high-powered microscopic examination of a pellet after centrifugation of the seminal fluid. A physician can initially identify the causes of azoospermia by an exhausted history and a complete physical examination. Men with testicular or pretesticular azoospermia should be offered genetic testing and measurement of serum sex hormones to exclude genetic abnormalities or hypogonadism. And the CFTR mutation test should be recommended to exclude the possibility of CF present in the offspring when azoospermia is related to CBAVD or primary epididymal obstruction. Testicular size, inhibin B levels and serum FSH concentration help to evaluate spermatogenesis of the testis, and diagnostic testicular biopsy can further distinguish obstructive causes from testicular failure in case of normal-sized testes. Vasography may be used to identify the site of obstruction, but only when reconstructive surgery is performed.
Azoospermia ; diagnosis ; etiology ; Humans ; Male ; Testis ; pathology