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BACKGROUND: Testicular ultrasound (US) is routinely employed in the evaluation of reproductive and sexual function. However, its use for characteristics other than testicular volume is hampered by a lack of information on the prognostic value of its findings, which to date have only been incorporated in a score proposed by Lenz et al in 1993. OBJECTIVES: We sought to explore whether testicular US examination can predict the quality of spermatogenesis and provide information on testicular endocrine function. MATERIALS AND METHODS: We retrospectively reviewed 6210 testicular US examinations, finally selecting examinations from 2230 unique men. The following variables were considered: bitesticular volume and testicular asymmetry, parenchymal echotexture, echogenicity and presence of microlithiasis, solid lesions and varicocoele. Concurrent fasting hormonal data were available for 1160 men, while 979 had a semen sample available from the same day as the US examination. RESULTS: We derived a new US score, termed TU score, that can predict both impaired spermatogenesis (AUC 0.73, sensitivity 72%, specificity 61%, P 

Original publication

DOI

10.1111/andr.12822

Type

Journal article

Journal

Andrology

Publication Date

09/2020

Volume

8

Pages

1051 - 1063

Keywords

hypogonadism, infertility, spermatogenesis, testicular endocrine function, testicular ultrasound, testosterone, Adult, Gonadal Steroid Hormones, Humans, Male, Retrospective Studies, Semen Analysis, Spermatogenesis, Testis, Ultrasonography