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April 1925

PERINEAL TESTICLE: REPORT OF A CASE

Author Affiliations

Fellow in Pediatrics, The Mayo Foundation ROCHESTER, MINN.

Am J Dis Child. 1925;29(4):513-515. doi:10.1001/archpedi.1925.04120280083007
Abstract

Usually the testis is located somewhere along the line of its descent from the region of the kidney to the scrotum. Rarely is it found outside of this path, and then it is called "ectopic testis." Only one such case was seen in a series of approximately 300 cases of imperfectly descended testes examined at the Mayo Clinic. The patient was a boy, aged 10 months. The usual explanation of this anomalous condition is that in aberrant migration the testis follows one of the branches of the gubernaculum other than that which ends in the scrotum (Lockwood1). In view of this, the embryology of the descent of the testicle and the development of the gubernaculum on which it is based is considered briefly.

The gonads develop in the mammals in the region of the kidney. In the lowest form (duckbill) they remain there; in all others they are carried

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