What are the symptoms of scaphoid necrosis?
summary
Osteonecrosis is one of the diseases, and the so-called osteonecrosis of osteonecrosis refers to the necrosis of human bone tissue components. In traditional Chinese medicine, osteonecrosis is called osteoerosion. Many parts of the human body will cause osteonecrosis. There are many reasons for osteonecrosis. In clinical practice, osteonecrosis of the femoral head is the most common. Most of them focus on introducing the causes, symptoms, treatment, exercise and prevention of osteonecrosis of the femoral head. What are the symptoms of scaphoid necrosis? Let's talk about it
What are the symptoms of scaphoid necrosis?
In stage 1, there was imperceptible subtalar varus, X-ray showed normal or slight changes, bone scan and CT showed positive findings, and MR showed intraosseous edema; At the same time, the scaphoid bone was completely squeezed out to form the "taloclavicular joint".
In stage 2, the subtalar joint was varus with high arch foot, the mean angle pointed to the dorsum of foot, the talar head was subluxated to the dorsum of foot, the tarsal canal and tarsal sinus showed hole like images, and the overlapping area of talar head and calcaneal protrusion was reduced;
In stage 3, the arch of foot began to decrease, the hind foot continued to varus, the scaphoid bone was broken or compressed, the mean angle was close to 0 degree, and the distance between the bone and cuneiform bone was significantly reduced; In stage 4, varus deformity of hind foot was obvious, arch of foot was obviously reduced, scaphoid bone was further compressed, and mean angle pointed to the sole of foot;
matters needing attention
In addition to eliminating the causes, various measures should be taken to increase the local blood supply, reduce the load and promote the recovery of joint function. According to traditional Chinese medicine, osteonecrosis is mostly caused by heat toxin invasion, qi stagnation and blood stasis, bone decay and marrow destruction, and deficiency of essence and blood.