1st metatarsophalangeal osteoarthritis
Introduction
Introduction to the first metatarsal osteoarthritis Osteoarthritis of the first metatarsophalangeal joint. Very common, often due to variability in the position of the first metatarsal, due to excessive internal rotation (pre-spin), outward toe ( valgus), dorsiflexion of the first metatarsal (high tibia), or increased length of the first metatarsal or Indirect deviation is also a cause of occasional trauma. basic knowledge The proportion of illness: 0.001% Susceptible people: no special people Mode of infection: non-infectious Complications: exogenous osteophytes
Cause
The cause of the first metatarsal osteoarthritis
It is the first metatarsophalangeal joint osteoarthritis, which is often caused by the variation of the position of the metatarsal bone. Because of the excessive internal rotation of the ankle (pre-spin), the toe is outwardly biased (valgus valgus), and the humerus is dorsiflexion (high tibia). , or the length of the tibia is increased or inwardly biased, and occasional trauma is also a cause.
Prevention
The first metatarsal osteoarthritis prevention
The patient takes the sitting position and presses the Kunlun point with the fingertip of the ipsilateral or contralateral thumb or middle finger to lightly press it for a minute to make the local soreness.
The patient's position is as shown in the front of the Kunlun hole with the thumb of the thumb.
If the patient's position is as used before, use the ipsilateral thumb and other fingers to pinch the affected area and repeatedly squeeze it to make it feel comfortable.
Complication
The first metatarsal osteoarthritis complications Complications
The formation of exogenous osteophytes, the joint activity begins to be limited, the patient can not bend the metatarsophalangeal joint can be secondary damage secondary to the synovial membrane when walking.
Symptom
Symptoms of the first metatarsal osteoarthritis common symptoms joint swelling joint pain infectious fever
The only sign at the beginning was the slight swelling of the joint due to thickening of the joint capsule. There is tenderness in the joints, and wearing shoes makes the pain worse. When the condition worsens, the pain increases, the exogenous osteophytes are formed, the joint activity begins to be limited, and the patient cannot bend the metatarsophalangeal joint when walking. Although the local temperature does not rise in the early stage, it can be locally heated in the late stage of the disease, which is the result of secondary damage of the synovial membrane.
Examine
Examination of the first metatarsal osteoarthritis
According to the enlargement of the metatarsophalangeal joint, the movement is limited, the joint capsule has tenderness (especially the lateral side), and the increase of the dorsiflexion of the distal phalanx can confirm the lateral sacral position of the advanced diseased side. The X-ray examination shows the lateral spur, and the lateral X-ray examination can be seen. Exogenous epiphysis protrudes from the humeral head on the dorsal side.
Diagnosis
Diagnosis and diagnosis of the first metatarsal osteoarthritis
diagnosis
Diagnosis can be based on medical history, clinical symptoms, and laboratory tests.
Differential diagnosis
Need to be differentiated from gout arthritis. It is difficult to be painful for paroxysmal soreness. For X-ray manifestations of paroxysmal gout arthritis: soft tissue swelling near the joints in the acute phase, worm-like appearance at the edge of the joint or the increase in bone density around the perforation-like defect. A typical arthritis image with severe bone destruction can cause a few deformities to be stiff.
