Stage symptoms of femoral head necrosis?
summary
The symptoms of avascular necrosis of the femoral head have stages, because avascular necrosis of the femoral head itself has four different periods, so to understand this disease clearly, we should start with the symptoms of different periods one by one. Generally speaking, its early symptoms are not very obvious, and gradually worsen in the middle and late stages. It is a process, from light to heavy. Is it a stage symptom of femoral head necrosis? Here is a detailed introduction.
Stage symptoms of femoral head necrosis?
In this period, the main manifestations of patients are progressive pain of hip and knee joint, and the daily activities of hip joint will be slightly limited. The X-ray examination of patients in this period shows that the appearance of the femoral head is normal, the structure of cartilage, trabecular bone and other tissues is slightly fuzzy, and they may also show punctate osteoporosis. When patients do CT examination, they will find that the trabecular bone in the middle of the femoral head is slightly thickened, It is a star like structure with radial or pseudopodia like branches to the cartilaginous part of the femoral head. Some small cystic changes can be seen in the subchondral area.
In this period, patients with hip joint pain, abduction and internal rotation movement will be slightly limited, X-ray examination showed that the cartilage tissue appeared under the cystic change, bone tissue also appeared destruction, loose interweaving and other phenomena, some patients can see cartilage half moon shaped transparent area, known as "crescent sign", CT examination will find the bone trabecular sclerosis in the bone marrow cavity under the head.
In peacetime, patients with hip and knee pain symptoms continue to aggravate, weight-bearing endurance will also decline, in peacetime will show lameness. X-ray examination showed that there was a micro fracture under the cartilage, some trabeculae would have continuity interruption, the patient's weight-bearing area outside and above the femoral head would show collapse and flattening, and there might be bone fragments under the cartilage.
matters needing attention
I hope you can better understand the symptoms of avascular necrosis of the femoral head after reading, and it needs to be noted that avascular necrosis of the femoral head is a more serious disease, so early and timely treatment is very important for patients, but patients must also pay attention to the selection of standardized hospitals, in order to get the best treatment effect.