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  2. Cryptorchidism - Wikipedia

    en.wikipedia.org/wiki/Cryptorchidism

    The risk of malignancy in the undescended testis is 4 to 10 ten times higher than that in the general population and is about one in 80 with a unilateral undescended testis and one in 40 to one in 50 for bilateral undescended testes. The peak age for this tumor is 15–45 years old.

  3. Hypospadias - Wikipedia

    en.wikipedia.org/wiki/Hypospadias

    The combination of hypospadias and an undescended testicle sometimes indicates a child has a difference of sex development condition, so additional testing may be recommended to make sure the child does not have congenital adrenal hyperplasia with salt wasting [clarify] or a similar condition where immediate medical intervention is needed.

  4. Testicular torsion - Wikipedia

    en.wikipedia.org/wiki/Testicular_torsion

    The undescended testis is at increased risk of testicular torsion. [17] The mechanism for torsion in the undescended testicle is not fully understood, though it may be due to abnormal contractions of the cremaster muscle, which covers the testicle and spermatic cord and is responsible for raising and lowering the testicle to regulate scrotal ...

  5. Kallmann syndrome - Wikipedia

    en.wikipedia.org/wiki/Kallmann_syndrome

    Lack of testicle development in men (size < 4 ml, whereas the normal range is between 12 and 25 ml). [2] Primary amenorrhoea (failure to start menstruation). [8] Poorly defined secondary sexual characteristics. [3] Micropenis in 5-10% of male cases. [2] Cryptorchidism (undescended testicles) at birth. [2] Low levels of the gonadotropins LH and ...

  6. Orchiopexy - Wikipedia

    en.wikipedia.org/wiki/Orchiopexy

    Undescended testicles affect 1% of males and are 10% bilateral. The cause is unknown, with a small percentage associated with developmental abnormalities or chromosomal aberrations. [citation needed] Early orchiopexy reduces the risks for cancer and sterility in males with cryptorchidism, or undescended testes. [citation needed]

  7. Monorchism - Wikipedia

    en.wikipedia.org/wiki/Monorchism

    One testicle not descending into the scrotum during normal embryonic or fetal development (3–4% of 'normal' live births), also known as undescended testis or cryptorchidism. In this case the testis is within the abdominal cavity, somewhere along the normal route of descent – most commonly, within the inguinal canal .

  8. Male genital examination - Wikipedia

    en.wikipedia.org/wiki/Male_genital_examination

    Diagnosing undescended testicles involves a physical examination. If the testis cannot be felt, it is categorized as "non-palpable." Generally, there are three underlying reasons for nonpalpable testicles: The testis is in the inguinal canal but cannot be palpated for specific reasons. The testis is situated inside the abdomen.

  9. Intersex medical interventions - Wikipedia

    en.wikipedia.org/wiki/Intersex_medical_interventions

    Orchiopexy for repair of undescended testes (cryptorchidism) is the second most common surgery performed on infant male genitalia (after circumcision). The surgeon moves one or both testes, with blood vessels, from an abdominal or inguinal position to the scrotum. If the inguinal canal is open it must be closed to prevent hernia. Potential ...