A retractile testicle is a testicle that can move back and forth between the scrotum and the groin because of an active cremasteric reflex. Unlike a truly undescended testicle, a retractile testicle can usually be brought down into the scrotum during examination and may stay there temporarily before moving back up. ^[1][2]

For parents, this can be confusing because the testicle may seem present during one diaper change or bath and absent the next time. The condition is often benign, but it still deserves proper examination because some boys later develop an ascending testicle. ^[1][2]

What are the signs?

The most typical sign is that one or both testicles appear to move up into the groin and then come back down, especially with cold, fear, or touch. Warmth and relaxation may make the testicle easier to see in the scrotum. ^[1][2]

How is it different from an undescended testicle?

A retractile testicle can generally be manipulated into the scrotum and is not fixed in the groin. By contrast, an undescended testicle cannot be brought fully into the scrotum or does not remain there. ^[1][2]

What causes it?

The cause is usually a brisk cremasteric reflex, which pulls the testicle upward. This reflex can be more noticeable in children and may be triggered by cold, anxiety, or touch. ^[1]

How is it diagnosed?

Diagnosis is made by physical examination, usually by a pediatrician, pediatric urologist, or surgeon. Imaging is not always necessary. ^[1][2]

Does it need treatment?

Many retractile testicles do not need immediate surgery. Instead, regular follow-up is recommended to ensure that the testicle continues to descend into the scrotum appropriately over time. Surgery may be considered if the testicle becomes ascending. ^[1][2]

When should a child be re-evaluated?

Re-evaluation is important if the testicle is rarely seen in the scrotum, if it seems to stay higher over time, or if there is pain or swelling. ^[1][2]

FAQ

Is a retractile testicle the same as an undescended testicle?

No. A retractile testicle can usually be brought into the scrotum, while an undescended testicle generally cannot. ^[1][2]

Does it always need surgery?

No. Many boys only need follow-up, but some later need treatment if the testicle becomes ascending. ^[1][2]

Can it move up and down?

Yes. That is one of the defining features of a retractile testicle. ^[1]

Is ultrasound always required?

Not usually. Diagnosis is primarily based on physical examination. ^[1][2]

When should parents seek reassessment?

If the testicle is no longer seen in the scrotum, seems to stay high, or there is pain or swelling, reassessment is appropriate. ^[1][2]