Undescended testis, or cryptorchidism, is a common condition in male infants where one or both testicles fail to move into their proper position in the scrotum before birth. This condition affects about 1–3% of full-term male newborns and up to 30% of premature babies. While the condition often resolves naturally, timely diagnosis and treatment are crucial for long-term health and fertility.
What Is an Undescended Testis?
During fetal development, the testicles form in the abdomen and gradually move down into the scrotum through a canal called the inguinal canal. An undescended testis occurs when this descent is incomplete, leaving the testicle in the abdomen, groin, or high in the scrotum.
Types of Undescended Testis
1. Congenital
• Present at birth, it occurs due to hormonal or anatomical factors.
2. Acquired
• The testicle initially descends but later moves out of the scrotum, often due to a shortening of the spermatic cord.
3. Ectopic Testis
• The testicle deviates from its usual path and is located in an abnormal position, such as the thigh or perineum.
Causes of Undescended Testis
The exact cause is often unknown, but potential factors include:
• Hormonal Issues: Insufficient hormonal signals during fetal development.
• Premature Birth: The testicles descend in the later stages of pregnancy, so premature babies are at higher risk.
• Genetic Conditions: Certain genetic syndromes can interfere with normal testicular descent.
Symptoms to Look For
• Absence of one or both testicles in the scrotum.
• A smaller or asymmetrical scrotum.
• In rare cases, discomfort or pain in the groin area.
Parents should ensure their child has regular check-ups with a pediatrician, as the condition is often detected during routine examinations.
Diagnosis
1. Physical Examination
• The doctor will gently palpate the scrotum and groin to locate the testicle.
2. Imaging Tests
• Ultrasound or MRI: Used when the testicle is not palpable.
3. Laparoscopy
• A minimally invasive procedure to locate and potentially treat an undescended testis.
Why Treatment Is Essential
If left untreated, an undescended testis can lead to:
• Infertility: A higher temperature in the abdomen can impair sperm production.
• Testicular Cancer: Increased risk compared to normally descended testicles.
• Hernia: Weakness in the inguinal canal can lead to hernias.
• Psychological Effects: Concerns about physical appearance during adolescence.
Treatment Options
1. Observation
• In many cases, the testicle descends on its own within the first six months after birth.
2. Hormonal Therapy
• Hormones like human chorionic gonadotropin (hCG) may stimulate testicular descent, though its success rate is limited.
3. Surgery (Orchiopexy)
• The most effective treatment, performed between 6 months and 1 year of age.
• The surgeon moves the testicle into the scrotum and secures it in place.
• Minimally invasive techniques, such as laparoscopy, are often used.
Post-Treatment Care
• Regular follow-ups to ensure proper healing and testicular development.
• Monitoring for any complications, such as recurrence or testicular atrophy.
Prognosis
With early treatment, the outcomes are excellent. Most boys grow up with normal testicular function and fertility. However, long-term follow-up may be needed to monitor for potential complications like infertility or testicular cancer.
Final Thoughts
Undescended testis is a common and treatable condition in children. Early diagnosis and timely treatment are key to minimizing risks and ensuring your child’s healthy development. If you suspect your child may have this condition, consult a pediatric surgeon or urologist promptly.
Need more information? Contact us for expert advice and care tailored to your child’s needs.