Dislocation of metatarsophalangeal joint of lesser toe is usually caused by a direct blow to the toe or overstretching of the joint capsule. It can also occur due to a deformity of the toe or joint, such as a bunion.
Dislocation of the metatarsophalangeal joint of the lesser toe can be diagnosed by physical examination. The doctor will look for pain, swelling, and deformity of the toe. X-rays may also be taken to confirm the diagnosis.
The differential diagnosis for dislocation of metatarsophalangeal joint of lesser toe includes other toe injuries such as fracture, tendon or ligament injury, and arthritis.
Treatment for dislocation of metatarsophalangeal joint of lesser toe will depend on the severity of the injury. In mild cases, the toe can be splinted or taped and non-steroidal anti-inflammatory drugs (NSAIDs) can be used to reduce pain and swelling. In more severe cases, surgery may be necessary to reposition the joint and stabilize it with pins or wires.
The prognosis for dislocation of metatarsophalangeal joint of lesser toe is generally good. With proper treatment and rehabilitation, the toe should heal and regain full function.