نتایج جستجو برای: testicular axis
تعداد نتایج: 123210 فیلتر نتایج به سال:
OBJECTIVE To assess the effects of two methods of freezing on testicular sperm DNA from subjects with obstructive azoospermia and to compare these with samples of fresh and freeze-thawed testicular sperm from fertile men. DESIGN The Comet assay was used to determine the percentage of undamaged DNA in fresh testicular sperm, testicular sperm freeze-thawed in suspension and in a biopsy sample (...
BACKGROUND Most patients with testicular cancer are infertile; thus, the preservation of the sperm after surgery is an important factor to consider. We report two cases of bilateral testicular cancer in patients who underwent bilateral higher orchiectomy and simultaneous testicular sperm extraction. CASE PRESENTATION Two Asian-Japanese men were referred to our hospital with bilateral testicul...
We report a case of intra-abdominal testicular tumor in a 36-year-old married lady presenting with chief complaints of primary amenorrhea. The patient was later diagnosed with testicular feminization syndrome, a form of male pseudohermaphroditism. This testicular tumor was histologically proven as seminoma. Due to rarity, imaging findings in patients with testicular feminization syndrome and in...
Testicular carcinoid generally presents either with a palpable (painful or painless) or rarely a nonpalpable mass (when it is diagnosed incidentally on scrotal imaging) of the involved testis. An ipsilateral testicular carcinoid presenting exclusively with contralateral testicular symptoms has never been described in the literature to date. We report a case of nonpalpable left testicular carcin...
The aberrancies concerning the number, origin and course of the testicular arteries are found in an incidence of approximately 4.7-20% in the literature and are documented less frequently than the respective variations of the homonymous veins. In the current study, a very rare complex of testicular arteries' variations isdescribed, in which the occurrence of bilateral double testicular arteries...
OBJECTIVES To review our 10-year experience with uncommon testicular tumours in children (prepubertal testicular and paratesticular), to review previous reports, and to determine the appropriate management of these rare tumours, specifically the role of testicular-sparing surgery. PATIENTS AND METHODS We retrospectively reviewed all cases of testicular tumours managed at our institution betwe...
Objectives To compare elastography measurements in men with normal testicular tissue, testicular microlithiasis and testicular cancer. Methods A total of 248 consecutive patients were included. All men provided written informed consent. Testicular stiffness was assessed using shear wave elastography (SWE). Three SWE velocity measurements were assessed in each testicle. The patients were divid...
The preclinical evaluation of drugs, including environmental agents, depends on toxicology studies carried out in animals under defined in vivo and in vitro conditions. With the advancement of biological and analytical sciences, toxicology has become highly multidisciplinary involving cellular, biochemical and molecular technology. It is now mandatory to perform reproductive and genetic toxicol...
Introduction & Objective: Varicocele is often mentioned as a common cause of testicular atrophy. The aim of this study was to evaluate varicocele-related testicular atrophy with Duplex sonography. Materials & Methods: Seventeen patients with testicular atrophy due to varicocele were included into the study. Results: Echogenisity of the atrophic testis was homogeneous. Mean peak systolic...
Testicular torsion is a urological emergency that leads to serious testicular damage and male infertility. We performed this study to identify specific proteins that are differentially expressed in response to testicular torsion and detorsion-induced ischemia-reperfusion (I-R) injury. Adult male rats were divided into two groups: a sham-operated group and a testicular I-R group. Testicular tors...
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