Undescended testis is a result of testis getting arrested in its path of descent which could be intra-abdominal, inguinal or high scrotal. The retractile testis is a testis which has completed its descent and is a result of hyperactive cremasteric reflex. A retractile testis can be manipulated to the base of scrotum temporarily.
The best way of differentiating clinically the retractile testis from undescended testis in older children’s is to make them sit in squatting position which relaxes the cremasteric reflex and brings retractile testis down.
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