It is now generally believed that the undescended testis is usually incapable of a continued production of spermatozoa. Hunter,**123 who first described the normal descent of the testis, stated that failure of the testis to reach the scrotum is due to its initial imperfection. Most European investigators hold to this opinion. But operations are continually being performed on the undescended testis in the hope that with transference to the scrotum that spermotogenesis will occur. If the development of the testis is not altered by transition to the scrotum, only the belief that the danger of malignancy is lessened or that the patient is more pleased with his testis in its usual habitat would justify operative interference in the absence of pain or other complicating factor. A decision as to whether the testis is ab ovo deficient or whether its abnormal situation is responsible for its lack of development is
WANGENSTEEN OH. THE UNDESCENDED TESTIS: AN EXPERIMENTAL AND CLINICAL STUDY. Arch Surg. 1927;14(3):663–731. doi:10.1001/archsurg.1927.01130150044002
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