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Comprehensive Overview of Cryptorchidism: Causes, Types, Diagnosis, and Treatment

Detailed presentation on cryptorchidism covering its definition, etiology, types, clinical features, diagnostic methods, and treatment options including surgery and hormonal therapy.

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Cryptorchidism Pathology Bsc nursing 4th semester By Govinda Gajbhiye Bsc Nursing MSc Nursing M.A clinical psychologist Assistant Professor Department Medical Surgical Nursing
Meaning of cryptorchidism Cryptorchidism means "hidden testicle" from the Greek words kryptos (hidden) and orchis (testicle). It refers to an undescended testicle, where one or both testicles fail to move down into the scrotum.
Definition:- Cryptorchidism (Undescended Testis) is a congenital condition in which one or both testes fail to descend into the scrotum before birth. The testis may remain in the abdomen, inguinal canal, or just above the scrotum.
Definition Cryptorchidism is a congenital anomaly in which one or both testes fail to descend into the scrotum by birth. The undescended testis may be located in the abdomen, inguinal canal, or just outside the external inguinal ring.
Incidence Cryptorchidism (undescended testicles) is a common condition, affecting about 3% of full-term and up to 30% of premature newborn boys. However, many resolve on their own, leaving a true long- term rate of about 1% in infants past three to six months of age.
Etiology and risk Factors The exact cause of cryptorchidism is often unknown (idiopathic). 1. Prematurity Testicular descent normally occurs during the last 2–3 months of pregnancy (third trimester). Babies born before 37 weeks of gestation may not complete this process. Therefore, the testes remain in the abdomen or inguinal canal. Prematurity is one of the strongest risk factors for cryptorchidism. 2. Genetic Abnormalities Certain gene mutations can interfere with normal testicular development and descent. A positive family history increases the likelihood of the condition. Cryptorchidism may occur with chromosomal or congenital disorders such as Down syndrome, Prader–Willi syndrome, and disorders of sex development (DSD).
Etiology 3. Hormonal Deficiency (Testosterone or INSL3) Testosterone is essential for the second phase of testicular descent through the inguinal canal. Insulin-like peptide 3 (INSL3), produced by fetal Leydig cells, is required for the first phase of descent. Deficiency or reduced action of these hormones prevents normal migration of the testes into the scrotum. 4. Abnormal Gubernaculum Development The gubernaculum is a fibrous cord that guides the testes from the abdomen into the scrotum. If it is absent, short, poorly developed, or abnormally attached, the testes cannot descend properly. This results in an undescended testis.
Etiology 5. Maternal Smoking or Alcohol Exposure Smoking during pregnancy exposes the fetus to harmful chemicals such as nicotine, which can impair fetal hormone production. Alcohol consumption during pregnancy may interfere with fetal growth and endocrine function. Both factors increase the risk of abnormal testicular descent. 6. Low Birth Weight Infants weighing less than 2.5 kg at birth have a higher incidence of cryptorchidism. Low birth weight is often associated with incomplete fetal growth and delayed maturation of the reproductive system. 7. Family History Boys with a father or brother who had cryptorchidism have an increased risk. This suggests an inherited genetic predisposition affecting testicular development or hormonal regulation.
Type of Cryptorchidism 1. Unilateral Cryptorchidism Only one testis fails to descend into the scrotum. It is the most common type (about 80% of cases). Usually affects the right testis more often than the left. Fertility is usually preserved if treated early. 2. Bilateral Cryptorchidism Both testes fail to descend into the scrotum. Less common (about 20% of cases). Associated with a higher risk of infertility and hormonal problems if untreated. Requires prompt evaluation and treatment.
Type of Cryptorchidism 3. Palpable Cryptorchidism The undescended testis can be felt during physical examination. Usually located in the inguinal canal or just above the scrotum. Treated by orchiopexy. 4. Non-Palpable Cryptorchidism The testis cannot be felt on physical examination. It may be: Intra-abdominal (inside the abdomen) Absent (vanishing testis syndrome) Atrophic (underdeveloped) Usually evaluated with laparoscopy, which can also be used for treatment.
Type of Cryptorchidism 5. Ectopic Testis The testis has descended outside its normal pathway. Common ectopic sites include: Superficial inguinal pouch Perineum Femoral region Penile region Requires surgical correction. 6. Retractile Testis (Not True Cryptorchidism) The testis moves between the scrotum and groin because of an overactive cremasteric reflex. It can be brought into the scrotum and usually stays there temporarily. Often resolves spontaneously by puberty. Observation is usually sufficient unless it becomes an ascending testis.
Clinical manifestations ● Empty or underdeveloped scrotum ● One or both testes absent from the scrotum ● Asymmetrical scrotum ● Usually painless ● Inguinal swelling may be present ● Infertility in adulthood if untreated
Diagnostic Evaluation ● Physical examination (most important) ● Ultrasonography ● MRI (selected cases) ● Diagnostic laparoscopy (gold standard for non- palpable testes) ● Hormonal evaluation when bilateral ● Genetic studies if associated abnormalities are present
Treatment of Cryptorchidism ● Observation (Watchful Waiting) ● Hormonal Therapy ● Human Chorionic Gonadotropin (hCG) ● Orchiopexy (Surgical Treatment) ● Laparoscopic Surgery ● Orchidectomy (Removal of Atrophic Testis)
Treatment 1. Observation Recommended for infants younger than 6 months, as many undescended testes descend spontaneously. If the testis remains undescended after 6 months, treatment is indicated.
Hormonal Therapy Hormonal therapy is less effective than surgery and is used only in selected cases. 1.Human Chorionic Gonadotropin (hCG) Men and Boys: Treats hypogonadotropic hypogonadism (low testosterone/infertility) and prepubertal cryptorchidism (undescended testes) Routes: Given via subcutaneous or intramuscular injection using single-use disposable needles and syringes. Dosing:single trigger doses of 5,000 to 10,000
3. Surgical Treatment – Orchiopexy (Treatment of Choice) Orchidopexy (or orchiopexy) is a surgical operation that moves an undescended testicle into the scrotum and fixes it there. It is commonly done for infant boys between 6 months and 2 years old to protect future fertility and health. The Surgical Steps Anesthesia: General anesthesia is given so the patient sleeps and feels no pain. Incision: The surgeon makes a small cut in the groin area and a second small cut in the scrotum. Mobilization: The testicle is found and gently freed from tight surrounding tissues and any hernia sac. Fixation: The testicle is pulled down into a special pouch inside the scrotum and stitched in place so it cannot move back up. Closure: The cuts are closed with dissolvable stitches or surgical glue. The operation usually takes 30 to 60 minutes
Laparoscopic Surgery for Cryptorchidism Laparoscopic surgery is the preferred method for the diagnosis and treatment of non-palpable intra- abdominal undescended testes (cryptorchidism). It allows the surgeon to directly visualize the abdominal cavity, accurately locate the testis, and perform the appropriate surgical procedure through small incisions. Indications Non-palpable undescended testis Procedure ● The child is placed under general anesthesia. ● A small incision is made near the umbilicus (navel). ● A laparoscope (a thin tube with a camera and light source) is inserted into the abdomen. ● Carbon dioxide (CO₂) gas is introduced to inflate the abdomen, providing a clear view of the internal organs. ● The surgeon identifies the location, size, and blood supply of the testis. ● If the testis is healthy and can be brought down without tension, laparoscopic orchiopexy is performed by mobilizing the testis and fixing it in the scrotum. ● If the testis is high in the abdomen with short blood vessels, a staged Fowler–Stephens orchiopexy may be performed. ● If the testis is severely atrophic or non-viable, orchiectomy (removal of the testis) may be indicated.
Orchiectomy ● Removal of the testis is indicated when: ● The testis is atrophic or non-functional. ● Older adolescents or adults have an intra- abdominal testis with a high risk of malignancy. ● A nonviable testis is found during surgery.