Is anti-müllerian hormone useful for monorchidism diagnosis in the tomcat?

IF 1.3 3区 农林科学 Q2 VETERINARY SCIENCES
Florin Petrișor Posastiuc , Nicolae Tiberiu Constantin , Cătălin Micșa , George Nicolae , Alexandru Ilie Diaconescu , Mario Darius Codreanu , Andreea Iren Șerban , Ann Van Soom
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Abstract

Monorchidism is an uncommon condition in tomcats, defined by the congenital absence of one of the testicles. Due to the lack of information regarding possible biomarkers, most monorchidism cases require laparotomy in order to differentiate it from cryptorchidism. Human data suggest that monorchid patients have lower serum anti-Müllerian hormone (AMH) levels when compared to cryptorchids, premises that has been also scrutinized in veterinary medicine. Here, we describe a case of monorchidism in a tomcat, focusing on the clinical findings and the dynamics of AMH serum levels before and after the removal of the singularly identified testicle. To contribute to the limited knowledge of AMH levels across different reproductive statuses in tomcats, the findings from this monorchid case were compared to values obtained from two cryptorchid tomcats (one unilateral and one bilateral), three intact tomcats, and three castrated tomcats. In addition, clinical, histopathological and ultrasound examinations were conducted in all tomcats. The AMH levels in the monorchid tomcat revealed a consistent decrease after surgery, from 27.3 ± 0.2 ng/ml when the testicle was still present, to 2.3 ± 0.2 ng/ml 1 week later, and further decreasing below the detection limit (<0.15 ng/ml) for the last 2 weeks of the trial, matching the AMH level of the castrated male. AMH serum levels of the bilateral and unilateral cryptorchid tomcat (22.5 ± 0.3 ng/ml; 24.1 ± 0.2 ng/ml) were in agreement with those of the three intact males (19.1 ± 2.2 ng/ml) and the monorchid prior to surgery. AMH testing effectively confirmed the absence of testicular tissue after unilateral orchiectomy in a monorchid tomcat but did not differentiate between monorchidism and cryptorchidism. To our knowledge, this is the first case of monorchidism in tomcats, in which AMH levels before and after surgery have been determined.
勒氏杆菌激素对诊断雄猫单兰症有用吗?
单睾丸症在雄猫中是一种罕见的疾病,由先天缺乏一个睾丸来定义。由于缺乏关于可能的生物标志物的信息,大多数单睾症病例需要剖腹手术以区分其与隐睾症。人类数据表明,与隐睾患者相比,monorchid患者的血清抗勒氏杆菌激素(AMH)水平较低,这一前提也在兽医学中得到了仔细研究。在这里,我们描述了一只雄猫的单睾丸症,重点是临床表现和AMH血清水平的动态前后的单一鉴定睾丸切除。为了对不同生殖状态下雄猫AMH水平的有限了解有所贡献,我们将本病例的结果与两只隐睾雄猫(一只单侧和一只双侧)、三只完整雄猫和三只阉割雄猫的结果进行了比较。同时对所有雄猫进行临床、组织病理学及超声检查。雄猴体内AMH水平在手术后持续下降,从睾丸未切除时的27.3±0.2 ng/ml降至1周后的2.3±0.2 ng/ml,并在检测限以下进一步下降(
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来源期刊
Topics in companion animal medicine
Topics in companion animal medicine 农林科学-兽医学
CiteScore
2.30
自引率
0.00%
发文量
60
审稿时长
88 days
期刊介绍: Published quarterly, Topics in Companion Animal Medicine is a peer-reviewed veterinary scientific journal dedicated to providing practitioners with the most recent advances in companion animal medicine. The journal publishes high quality original clinical research focusing on important topics in companion animal medicine.
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