Hormonal and testicular volume studies in cryptorchidism
Roselló, P.J.; Novoa, R.; Milazzo, C.
Boletin de la Asociacion Medica de Puerto Rico 74(3): 66-69
1982
ISSN/ISBN: 0004-4849 PMID: 6127088 Document Number: 701143
We studied testicular volumes and hormone levels in a group of 117 patients within six distinct diagnostic groups: unilateral cryptorchidism (50), bilateral cryptorchidism (15), orchiectomy for trauma or torsion (9), orchiectomy for cryptorchidism (15), unilateral agenesis (6) and normal individuals (22). For analytic purposes these were subdivided into homogeneous age groups. Concerning testicular volumes, we found that the undescended testicle is smaller than normal, and that there is a hypertrophy of the normal testicle when the contralateral testis is undescended, congenitally absent or surgically removed. The sum of the total testicular volume is approximately the same in all groups except in bilateral cryptorchidism where there is a significant decrease in total testicular mass. Testosterone levels are similar in all groups: however, there is a significant rise in leuteinizing hormone and follicle stimulating hormone levels in the bilateral cryptorchidism group. This data are consistent with a model of the undescended testicle as a hyporesponsive end organ.
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