Abstract
Introduction: This study aimed to correlate the testicular volume, ultrasound imaging, and blood flow parameters, determined using color Doppler ultrasonography in young men with a testosterone level below the average values of the standard for a prolonged period. Material and Methods: From January 2013 and December 2019, we examined 73 men aged 37 to 45 years with a testosterone level below the average values of the standard for a prolonged period and а 20 age-matched men with a testosterone level above the average values of the standard. We use color Doppler ultrasound as a method to evaluate the volume, ultrasound imaging and Doppler parameters of the testicular blood flow. Results: We obtained significantly lower but still within the reference range values for total testosterone (p<0.001), compared to those of the control group. We found no differences in the ultrasound characteristics of the testicular parenchyma and significant differences between testicular volumes in patients with a testosterone level below the average values of the standard for a prolonged period and those in the control group. In the color Doppler ultrasound we recorded fluctuations only in the blood flow of a aa.intratesticularis, expressed in a slight increase in the resistance index. Conclusions: Ultrasonography of young men with a serum T level below the average values of the standard for a prolonged period found no reduction in testicular volume and no change in the ultrasound characteristic of the parenchyma, which suggests to us that this is not a congenital condition, but cannot answer the question of whether it will lead to structural changes in the testicles in the future and if so what. The non-significant increase in RI in the intratesticular arteries in all examined men is a non-specific indicator that directs the specialist’s attention to additional testing of total testosterone in patients with complaints from the male reproductive system.
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