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Talocalcaneonavicular articulations exposed from above by removing the talus. Mueller–Weiss syndrome had been traditionally considered a spontaneous osteonecrosis of the navicular bone, but there is no certain pathogenetic explanation. Pathologic evidence of osteonecrosis (empty lacunae) [12] is seen in only a minority of pathological specimens.
[2] [3] Dr. A. Köhler noted that children with foot pain displayed characteristics, within their x-rays, of irregularity in growth and development of the tarsal navicular bone in the foot. Furthermore, Köhler disease is known to affect five times more boys than girls and typically, only one foot is affected.
It is an uncommon condition, occurring most often in young women, athletes, and those with abnormally long metatarsals. Approximately 80% of those diagnosed are women. [1] Initial treatment is generally 4–6 weeks of limited activity, often with crutches or orthotics. In rare cases, surgery is necessary to reduce the bone mass of the metatarsal.
Stress fractures most frequently occur in weight-bearing bones of the lower extremities, such as the tibia and fibula (bones of the lower leg), metatarsal and navicular bones (bones of the foot). Less common are stress fractures to the femur, pelvis, and sacrum. Treatment usually consists of rest followed by a gradual return to exercise over a ...
Risk factors include bone fractures, joint dislocations, alcoholism, and the use of high-dose steroids. [1] The condition may also occur without any clear reason. [1] The most commonly affected bone is the femur (thigh bone). [1] Other relatively common sites include the upper arm bone, knee, shoulder, and ankle. [1]
Bone tenderness at the navicular bone (for foot injuries), OR; An inability to bear weight both immediately and in the emergency department for four steps. Certain groups are excluded [clarification needed], in particular pregnant women, and those with diminished ability to follow the test (for example due to head injury or intoxication).
A Lisfranc injury, also known as Lisfranc fracture, is an injury of the foot in which one or more of the metatarsal bones are displaced from the tarsus. [1] [2]The injury is named after Jacques Lisfranc de St. Martin, a French surgeon and gynecologist who noticed this fracture pattern amongst cavalrymen in 1815, after the War of the Sixth Coalition.
It is more common in soldiers, but also occurs in hikers, organists, and other people whose duties entail much standing (such as hospital doctors). March fractures most commonly occur in the second and third metatarsal bones of the foot. [1] [2] [3] It is a common cause of foot pain, especially when people suddenly increase their activities. [4]