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Other reduction defects of upper limb Save


ICD-10 code: Q71.89

Chapter: Congenital malformations, deformations and chromosomal abnormalities

Other Reduction Defects of Upper Limb

Reduction defects are a type of congenital abnormality that affects the formation and development of the upper limb. These defects can range from minor anomalies to severe deformities that cause functional impairment. In addition to the more commonly known reduction defects such as amelia, meromelia, and phocomelia, there are other types of reduction defects that can occur in the upper limb.

  1. Hypoplasia: This is a type of reduction defect in which the affected limb is smaller than normal due to underdevelopment of the bones and muscles. Hypoplasia can affect one or both upper limbs and can vary in severity depending on the extent of the underdevelopment.
  2. Pollicization: This is a surgical procedure used to treat reduction defects of the thumb. In some cases, the thumb may be absent or severely underdeveloped, making it difficult for the individual to perform daily tasks. Pollicization involves moving a finger to the position of the thumb to improve hand function.
  3. Radial club hand: This is a reduction defect in which the radius bone in the forearm is underdeveloped or absent, causing the hand to be angled towards the ulna side of the forearm. This can result in limited wrist and finger movement and can affect one or both upper limbs.
  4. Ulnar club hand: This is a reduction defect in which the ulna bone in the forearm is underdeveloped or absent, causing the hand to be angled towards the radial side of the forearm. This can result in limited wrist and finger movement and can affect one or both upper limbs.

Other reduction defects of the upper limb include symbrachydactyly, in which the fingers are shorter than normal, and polydactyly, in which there are extra fingers or thumbs. These defects can affect the function and appearance of the hand and may require surgical intervention to correct.

Overall, reduction defects of the upper limb can have a significant impact on an individual's quality of life. It is important to seek medical attention and treatment for these conditions to improve hand function and prevent further complications.