OverviewA Hammer toe is a deformity of the middle joint of a toe, producing a clenched, clawlike appearance in the affected digit. The tendons in the toe become abnormally contracted, causing the toe to bend downward, which, in turn, forces the joint to protrude upward. A mallet toe is a deformity in which the end joint of a toe becomes bent downward, so that the toe curls underneath itself. In either case the affected joints are stiff, and often the toe cannot be straightened out. Constant rubbing against shoes may furthermore cause a painful corn (a round patch of rough, thickened, calloused skin) to develop over the joint or at the tip of the affected toe. Hammer and mallet toes may occur in any toe, although the second toe is the most common site. These deformities are often painful and limit the toe?s range of motion-sometimes requiring surgery.
Causes
Though hammer toes are principally hereditary, several other factors can contribute to the deformity. Most prevalent is an imbalance of the muscles and tendons that control the motion of the toe. When the tendon that pulls the toe upward is not as strong as the one that pulls it downward there is a disparity of power. This forces the toe to buckle and gradually become deformed. If the it persists, the toe can become rigid and harder to correct.
SymptomsHammer, claw, and mallet toes can cause discomfort and pain and may make it hard to walk. Shoes may rub on your toes, causing pain, blisters, calluses or corns, or sores. Sores can become infected and lead to cellulitis or osteomyelitis, especially if you have diabetes or peripheral arterial disease. If you have one of these health problems and sores develop, contact your doctor.
Diagnosis
Hammer toes may be easily detected through observation. The malformation of the person's toes begin as mild distortions, yet may worsen over time - especially if the factors causing the hammer toes are not eased or removed. If the condition is paid attention to early enough, the person's toes may not be permanently damaged and may be treated without having to receive surgical intervention. If the person's toes remain untreated for too long, however the muscles within the toes might stiffen even more and will require invasive procedures to correct the deformity.
Non Surgical Treatment
Many people start by treating the problem themselves when they have a painful corn or callus. They try to remove the corn by cutting it off or by applying strong acids, and they try to cushion the toe by applying cushioned pads. Because these treatments can be difficult to perform by oneself (and should never be done by oneself when the patient is diabetic or circulation is poor), and because these treatments only treat the symptom, not the structural deformity that causes their symptom, these treatments can often provide only limited success, and often any success is for only short periods of time. Changes in shoe choices and various types of paddings and other appliances may help, too. For longer-lasting help, we must examine the cause of the deformity. The reason for knowing the cause is that the type of treatment will vary, depending upon the cause of the complaint. Orthotics help control the causes of certain types of contracted toes, (those caused by flexor stabilization, for example), but not other types.
Surgical Treatment
If conservative treatments fail and your symptoms persist, the doctor may recommend a surgical option to straighten the toe. The procedures used vary greatly, depending upon the reasons for the hammertoe. There are hammertoes a number of different operations to correct hammertoes, the most common ones involve Soft tissue corrections such as tendon transfers, tendon lengthening, and joint capsule repairs. Digital arthroplasty involves removal of bone from the bent joint to allow the toe to straighten. The temporary use of pins or K-wires may be necessary to keep the toe straight during the healing period. Joint implants are sometimes used to allow for a better range of motion in the toe following surgery. Digital arthrodesis involves the removal of bone from the bent joint and fusing the toe in a straight position. If the corn is due to a bone spur, the most common procedure used is an exostectomy, in which surgically removing it or filing it down removes the bone spur. Because of the possible complications involved with any surgery, one should be sure to understand the risks that may be involved with surgery to correct hammertoes and remove bone spurs.
Overview
Symptoms
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