The from ectrodactyly limb: causes, treatment and pictures pathology

Genetic disease from ectrodactyly limb

The limbs from ectrodactyly, a congenital defect of the limbs in the form of hypoplasia or absence of fingers or toes.

This kind of deviation relates to reducing the defects in the formation of the limbs. As the disease hereditary properties, it primarily affects children and their parents.

May be combined with defect bone, pasterns and hocks; in the median location of the defect appears splitting, dividing a hand or foot into 2 parts.

Classification pathology

The separation of the brush may be accompanied by syndactyly, brachydactyly, clinodactyly.


  • monodactyla (1 finger);
  • didactyla (2 finger);
  • tridactyla (3 fingers);
  • tetradactyla (4 fingers).

The vices of the brush is observed often enough. The change is mainly observed on both sides.

Sometimes it reaches the wrist and even forearm. In such a situation, the brush is divided into two parts, the middle bone of the wrist and the middle finger is not formed, the brush has the shape of a claw.

Abnormalities brush make up 60% of all abnormalities of the upper extremities.

Every year from 7% to 13% of children appear with hereditary defects of the brush, from the usual flaw (curving the fingers) to an absolute lack of hands.

Mainly people with impaired hearing from ectrodactyly – deafness, and deformity of the arms or legs, triggered by the failure of the seventh chromosome.

The causes of pathology

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The disease has a specific cause:

  1. Endogenous causes: disorders of the uterus, oligohydramnios, cord entanglement, injury to psyche or General disturbances in the period of gestation.
  2. Exogenous: malposition, easy fetal injury, local mechanical pressure, injury to the embryo, the effects of irradiation, toxic effects on the fetus, poor nutrition or infectious disease of the future mother.
  3. Genetic factors: genetic tendency.

Primary and secondary from ectrodactyly

Lose limbs are also divided into primary and secondary.

During the initial deflection in the milder forms observed neoprobirovannye nail departments in the weighting of violations observed the flaws of the distal and middle parts of the fingers, in severe types of no nail, the middle and almost entirely main areas.

Secondary lesion appears same sequence neoprobirovannye individual sections, but absolutely other types of additional changes and the absence of clear teratological series.


It often happens that the reduced number of toes is accompanied by the appropriate neoprobirovannye the hand bones and can also occur in conjunction with a defect of one of the bones of the forearm or lower leg.

As a rare deviation occurs lesneven brush with 2 fingers, or a brush is entirely bifurcated, and the fingers are on two sides of it.

Methods of treatment

Congenital lesions of the brush can be neutralized only by surgery, and these operations require clients a wealth of skill and experience.

Treatment of ectrodactyly in early childhood is not made in adolescence may be conducted plastic surgery for the normalization functions dependent on the type of defect.

Carry out the following rehabilitation interventions on the brushes:

  • transplant fingers feet on the brush due to their fault;
  • the separation of webbed fingers;
  • traction short finger;
  • tendons transplant;
  • restoration of underdeveloped fingers or brush;
  • the correction of contractures (a condition when the limb is fully bent or unbent in the joints);
  • skin grafts;
  • prosthetics;
  • the tires grip on the affected areas.
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Treatment of bifurcated limbs is closure of the defect of the soft tissues to improve grasping ability, as well as aesthetic purpose.

In many cases, if timely correction is observed, the restoration of the extremities, and in some cases even impossible to achieve complete neutralization of aesthetic flaw.