Apophysitis calcanei

nicht verwechseln mit: Knochenkerne Kalkaneusapophyse

Calcaneal apophysitis, also known as Sever disease, is the painful inflammation of the apophysis of the calcaneus.

Epidemiology

It typically presents in active young children and adolescents, especially those who enjoy jumping and running sports.

Associations

High plantar foot pressures are associated with Sever disease, although it is unclear whether they are a predisposing factor or a result of the condition. Gastrocnemius equinus may be a predisposing factor for Sever disease .

Clinical presentation

Patients tend to present with posterior heel pain, usually aggravated by physical activity such as walking, running, or jumping.

Pathology

The condition is thought to result from repetitive microtrauma to growth plates of the calcaneus. However, some of the recent literature states that there is a lack of evidence that weight and activity levels are risk factors for Sever disease .

Radiographic features

Sever disease is most often diagnosed clinically, and radiographic evaluation is believed to be unnecessary by many physicians, but if a diagnosis of calcaneal apophysitis is made without obtaining radiographs, a lesion requiring more aggressive treatment could be missed .

Plain radiograph

Foot radiographs are usually normal and the radiological identification of calcaneal apophysitis without clinical information is not reliable .

MRI

May show edematous changes within the calcaneal apophysis, possibly extending into the adjacent calcaneal tuberosity .

Treatment and prognosis

The condition is self-limiting with a brief limitation of activity sometimes being advocated. Standard advice is to reduce physical activity .

History and etymology

It is named after James Warren Sever (1878-1964), an American orthopedic surgeon, who first described it in 1912 .

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