cryptorchidism
Sign in to saveCryptorchidism, also known as undescended testis (UDT), is the failure of one or both testicles to descend into the scrotum. The word is . It is the most common birth defect of the male genital tract. About 3% of full-term and 30% of premature infant boys are born with at least one undescended testis. However, about 80% of cryptorchid testes descend by the first year of life (the majority within three months), making the true incidence of cryptorchidism around 1% overall. Cryptorchidism may develop after infancy, sometimes as late as young adulthood, but that is exceptional. thumb|Different fo
Key facts
- Medical condition (new).name
- Cryptorchidism
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- File:Ultrasonography of cryptorchidism - annotated.jpg
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- Cryptorchidism on scrotal ultrasound
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Article
17 sectionsContents
- Signs and symptoms
- Infertility
- Cancer risk
- Causes
- Environmental hypotheses
- Sexually antagonistic epigenetic marker hypothesis
- Mechanism
- Normal development
- Pathophysiology
- Diagnosis
- Treatment
- Other animals
- Dogs
- Cats
- Horses
- References
- External links
Cryptorchidism, also known as undescended testis (UDT), is the failure of one or both testicles to descend into the scrotum. The word is . It is the most common birth defect of the male genital tract. About 3% of full-term and 30% of premature infant boys are born with at least one undescended testis. However, about 80% of cryptorchid testes descend by the first year of life (the majority within three months), making the true incidence of cryptorchidism around 1% overall. Cryptorchidism may develop after infancy, sometimes as late as young adulthood, but that is exceptional. thumb|Different forms of cryptorchidism, depending on the position of the undescended testicle. Sometimes the retractile testicle is added.
Cryptorchidism is distinct from monorchism, the condition of having only one testicle. Though the condition may occur on one or both sides, it more commonly affects the right testis.