metatarsal head osteochondrosis
Introduction
Introduction to sacral skull rickets This disease is also known as Köhler-Freiberg disease. Most scholars believe that its pathogenesis is related to chronic injury. Some scholars believe that it is caused by a traumatic callus fracture of the humeral head at a young age. The predilection site is the second metatarsal head and the third metatarsal head. Occasionally seen in the 4th tibia. basic knowledge Sickness ratio: 0.05% Susceptible people: no specific population Mode of infection: non-infectious complication:
Cause
Cause of sacral skull cartilage
(1) Causes of the disease
May be related to early local trauma.
(two) pathogenesis
Currently no relevant information
Prevention
Skull skull cartilage prevention
Complication
Skull skull rickets complications Complication
Local can be complicated by deformity.
Symptom
Skull skull rickets symptoms Common symptoms Foot swelling tenderness Pain persistent pain Foot pain
The disease occurs in adolescents between the ages of 10 and 18, most of which are female, and can also be found in adults. 10% are bilateral. The patient has pain in the forefoot during walking. There may be paroxysmal pain, affected bones, neck swelling, tenderness. The face is obvious, the pain is intensified when the toe is extended, and the course of disease is longer, which is 1 to 3 years. It may cause persistent pain or local mild deformity due to uneven joint surface and compression of the epiphysis.
Examine
Examination of sacral skull rickets
It shows the affected humeral head, the neck is irregularly enlarged, the transverse diameter is widened, the density is increased, the joint surface is uneven, and there is segmental fragmentation. Some patients show that the first metatarsal is shorter and the second metatarsal is relatively long, depending on the lateral position. X-ray films can be divided into:
1. The leading edge lesion does not exceed 1/3 of the anterior superior humeral head.
2. All sacral lesions involve all humeral heads.
3. The intermediate lesion range is between the first two.
Diagnosis
Diagnosis and diagnosis of sacral skull rickets
According to the medical history, clinical manifestations and X-ray film performance, a diagnosis can be established.
