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Achondroplasia

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Definition

Achondroplasia is a disorder of bone growth that causes the most common type of dwarfism.

Symptoms

The typical appearance of achondroplastic dwarfism can be seen at birth. Symptoms may include:

  • Abnormal hand appearance with persistent space between the long and ring fingers
  • Bowed legs
  • Decreased muscle tone
  • Disproportionately large head-to-body size difference
  • Prominent forehead (frontal bossing)
  • Shortened arms and legs (especially the upper arm and thigh)
  • Short stature (significantly below the average height for a person of the same age and sex)
  • Spinal stenosis
  • Spine curvatures called kyphosis and lordosis
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Short Stature
Short stature is a general term for people whose height is considerably below average, as compared to the height of their peers. While it can apply to adults, the term is most often used in reference to children.A child can be significantly short  More »

Kyphosis
Kyphosis, also known as a round back or hunchback, is a condition in which the spine in the upper back has an excessive curvature. The upper back, or thoracic region of the spine, is supposed to have a slight natural curve. The spine naturally cu  More »

Lordosis
Lordosis, also known as swayback , is a condition in which the spine in the lower back has an excessive curvature. The spine naturally curves at the neck, upper back, and lower back to help absorb shock and support the weight of the head. Lordos  More »

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