Anorchia

Definition

Anorchia is the absence of both testes at birth.

Causes

The embryo develops early sex organs in the first several weeks of pregnancy. In some cases, early testes do not develop in males before 8 weeks into the pregnancy. These babies will be born with female sex organs.

In some cases, the testes disappear between 8 and 10 weeks. These babies will be born with ambiguous genitalia. This means the child will have parts of both male and female sex organs.

In some cases, the testes may disappear between 12 and 14 weeks. These babies will have normal penis and scrotum. However, they will not have any testes. This is known as congenital anorchia. It is also called the "vanishing testes syndrome."

The cause is unknown. Genetic factors may be involved in some cases.

This condition should not be confused with bilateral undescended testes, in which the testes are located in the abdomen or groin rather than the scrotum.

Symptoms

Symptoms may include:

Exams and Tests

Signs include:

Tests include:

Treatment

Treatment includes:

Outlook (Prognosis)

The outlook is good with treatment.

Possible Complications

Complications include:

When to Contact a Medical Professional

Call your health care provider if a male child:


Review Date: 7/17/2018
Reviewed By: Sovrin M. Shah, MD, Assistant Professor, Department of Urology, The Icahn School of Medicine at Mount Sinai, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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