Retractile testicle

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Tests and diagnosis

By Mayo Clinic staff

If your son has a testicle not located in the scrotum, his doctor will determine its location in the groin. Once it's located, the doctor will attempt to guide it gently into its proper position in the scrotum.

Your son may be lying down, sitting or standing during this examination. If your son is a toddler, the doctor may have him sit with the soles of his feet touching and knees to the side. Older boys may be asked to squat. These positions often make it easier to find and manipulate the testicle.

If the testicle is a retractile testicle, it will move relatively easily and painlessly. The retractile testicle won't immediately move up again. Your son's doctor can then stimulate the reflex of the cremaster muscle by gently rubbing the upper inside of the thigh. This stimulation will usually cause the retractile testicle to move up again.

If the testicle in the groin moves only part way into the scrotum, if the movement causes pain or discomfort, or if the testicle immediately retreats to its original location, it's most likely not a retractile testicle. In such cases the testicle would be considered undescended, or ascending if the testicle had been in the scrotum at one time.

If your son's doctor has any particular concerns about the diagnosis, he or she may refer your son to a pediatric urologist.

DS00742

June 14, 2008

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