Common Disorders
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Did you know the foot has 28 bones, 37 joints, 107 ligaments, 19 muscles, and numerous tendons? These parts all work together to allow the foot to move in a variety of ways while balancing your weight and propelling you forward or backward on even or uneven surfaces. It is no wonder that most Americans will experience a foot problem that will require the care of a specialist at one point or another in their lifetime.

A flatfoot deformity is where the arch on the inside border of the foot is more flat than normal. Flatfoot deformities can occur in all age groups, but appear most commonly in children. Some of these children grow up into adults who have feet with normal arches, but many of these children have pain related to their flatfoot deformity throughout their lives. It is very important that children with flatfoot deformity be evaluated by a podiatrist to determine if they need treatment to prevent future pain or deformity in their feet.

When the young child starts to first walk at about the age of 9-15 months of age, the foot has a fat or chubby appearance where there is a less bony architecture apparent in the foot. At this point in the development of the foot, it is very difficult to evaluate whether the child will have future problems with a flatfoot deformity.

At the ages of two and three, the child's foot starts to show more of its characteristic shape since the foot is less fat and the bones are more prominent. If the child has a flatfoot deformity at the ages of two to three, then it is wise to have the foot examined by a foot specialist such as a podiatrist. The reason that it is important to have the feet examined at this age is because the young foot is still largely made of cartilage, with less bone than would be present in the adult foot. Since cartilage is relatively soft, the abnormal forces caused by a flatfoot deformity may cause permanent structural alterations to the bones and joints of the foot that will persist into adulthood.

Deformities of the toes are common in the pediatric population. Generally they are congenital in nature with both or one of the parents having the same or similar condition. Many of these deformities are present at birth and can become worse with time. Rarely do children outgrow these deformities although rare instances of spontaneous resolution of some deformities have been reported.

Malformation of the toes in infancy and early childhood are rarely symptomatic. The complaints of parents are more cosmetic in nature. However, as the child matures these deformities progress from a flexible deformity to a rigid deformity and become progressively symptomatic. Many of these deformities are unresponsive to conservative treatment. Common digital deformities are underlapping toesoverlapping toesflexed or contracted toes and mallet toes. Quite often a prolonged course of digital splitting and exercises may be recommended but generally with minimal gain. As the deformity becomes more rigid surgery will most likely be required if correction of the deformity is the goal.

Underlapping Toes

Metatarsus adductus is a congenital deformity of the foot where there is increased curvature of the forefoot. This gives the foot the appearance of a "C" shape. This deviation of the metatarsals or visual effect of in-toeing is a deformity that occurs at the midfoot of the foot. The diagnosis of metatarsus adduction is relatively straightforward and is predominantly a clinical diagnosis. The exact cause of metatarsus adductus is not fully understood but is considered to be caused by intrauterine position and pressures. There may also be a genetic component to the deformity.

Diagnosis

The diagnosis of metatarsus adductus is made by physical examination and has certain characteristics:

  • the foot has an inward position as compared to the lower leg
  • the foot has a concave border medially and a convex border laterally
  • the metatarsus adductus foot may appear with a high arch
  • there is usually a separation of the big toe from the lesser toes

Treatment

Deformities of the toes are common in the pediatric population. Generally they are congenital in nature with both or one of the parents having the same or similar condition. Many of these deformities are present at birth and can become worse with time. Rarely do children outgrow these deformities although rare instances of spontaneous resolution of some deformities have been reported.

Malformation of the toes in infancy and early childhood are rarely symptomatic. The complaints of parents are more cosmetic in nature. However, as the child matures these deformities progress from a flexible deformity to a rigid deformity and become progressively symptomatic. Many of these deformities are unresponsive to conservative treatment. Common digital deformities are underlapping toesoverlapping toesflexed or contracted toes and mallet toes. Quite often a prolonged course of digital splitting and exercises may be recommended but generally with minimal gain. As the deformity becomes more rigid surgery will most likely be required if correction of the deformity is the goal.

Underlapping Toes

Amniotic band syndrome (ABS) is an uncommon, congenital fetal abnormality with multiple disfiguring and disabling manifestations. A wide spectrum of clinical deformities are encountered and range from simple ring constrictions to major head, face and internal organ defects. Lower extremity limb malformations are extremely common and consist of asymmetric digital ring constrictions, distal atrophy, congenital intrauterine amputations, and clubfoot. Although debated, early amnion rupture with subsequent entanglement of fetal parts (mostly limbs and appendages) by amniotic strands is the primary theory of pathogenesis.

Amniotic band syndrome is associated with an excessive number of synonyms and acronyms such as congenital constriction band syndrome, Streeter's dysplasia, Simonart's bands, amniotic band disruption complex, congenital annular defects, congenital ring constrictions, ADAM (Amniotic Deformity, Adhesion, Mutilations) complex, TEARS (The Early Amnion Rupture Spectrum) of defects, and fetal disruption complex. The overabundance of synonyms/acronyms used to describe the congenital malformations in ABS attest partly to the confusion surrounding its etiology.

Kohler's Disease is a spontaneous loss of blood supply to a bone in the foot called the Navicular bone. Dr. Kohler described it in 1908. The spontaneous loss of blood supply to a bone is called osteochondrosis. In later years Dr. Kohler was also associated with another osteochondrosis of the foot known as Freiberg's disease. Some texts refer to this condition as Kohler's II.

Clinical features and Treatment

Clinically, the presentation of Kohler's disease may be an incidental x-ray finding. Often, however, localized pain or a painful gait is noted. Occasionally mild swelling is seen. It is seen most commonly in males and most cases only affect one foot. Biopsy of the bone to make the diagnosis is not necessary.

Deformities of the toes are common in the pediatric population. Generally they are congenital in nature with both or one of the parents having the same or similar condition. Many of these deformities are present at birth and can become worse with time. Rarely do children outgrow these deformities although rare instances of spontaneous resolution of some deformities have been reported.

Malformation of the toes in infancy and early childhood are rarely symptomatic. The complaints of parents are more cosmetic in nature. However, as the child matures these deformities progress from a flexible deformity to a rigid deformity and become progressively symptomatic. Many of these deformities are unresponsive to conservative treatment. Common digital deformities are underlapping toesoverlapping toesflexed or contracted toes and mallet toes. Quite often a prolonged course of digital splitting and exercises may be recommended but generally with minimal gain. As the deformity becomes more rigid surgery will most likely be required if correction of the deformity is the goal.

Underlapping Toes

The spontaneous development of pain in children generally indicates some form of injury to the growth plate of a growing bone. This can occur without a specific memorable event. When pain occurs in the heel of a child the most likely cause is due to injury of the growth plate in the heel bone. This is called Sever's disease. A condition that may mimic Seiver's disease is Achilles tendonitis. Achilles tendonitis is inflammation of the tendon attached to the back of the heel. A tight Achilles tendon may contribute to Seiver's disease by pulling excessively on the growth plate of the heel bone. This condition is most common between the ages of 8 - 15 years of age and boys tend to be affected more than girls. It is frequently seen in the active soccer, football or baseball player. Sport shoes with cleats seem to aggravate the condition. It is believed that the condition is due to an underlying mechanical problem with the way the foot functions.

Treatment

Home treatment consists of calf muscle stretching exercises, heel cushions in the shoes, and/or oral anti-inflammatory medications like Tylenol or Advil. Icing the area may provide some temporary relief. If the condition persists the child should be evaluated by a podiatrist for abnormal foot function. In severe cases a below the knee walking cast may be required. Treatment may require the use of custom-made shoe inserts called orthotics.Orthotics work by correcting foot function and will fit into most normal shoes.