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Achondrogenesis is a rare type of growth hormone deficiency in which there is a defect in the development of bone and cartilage.
Achondrogenesis is inherited, which means it is passed down through families.
Some types are known to be recessive, meaning both parents carry the defective gene and the chance for a subsequent child to be affected is about 25%.
- Very short trunk, arms, legs, and neck
- Head appears large in relation to the trunk
- Small lower jaw
- Narrow chest
Exams and Tests
X-rays show bone problems associated with the condition.
There is no current therapy. Talk to your doctor about care decisions.
Genetic counseling may be appropriate.
This condition is often fatal early in life.
When to Contact a Medical Professional
This condition is often diagnosed on the first examination of an infant.
Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.