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Wang Cheng Lin
Orthopedics
About me
Having worked in orthopedic clinical practice for over ten years, he is a committee member for the Asia-Pacific Foot and Ankle Chinese District.
Proficient in diseases
Specializes in treating foot and ankle injuries and diseases.
Voices
Is it good to get a steroid injection for tenosynovitis?
Treating tenosynovitis with injections is acceptable. Injections can significantly alleviate the pain caused by tenosynovitis and symptoms of limited joint mobility. However, it is imperative to take precautions during this treatment. Firstly, the injection contains steroids and anesthetics, so the number of injections must be limited. Generally, it is advisable to administer it once or twice a month. Excessive injections should be avoided as they can damage the local tendons or even the tendon sheaths, potentially exacerbating the pain from tenosynovitis or leading to spontaneous tendon ruptures. Therefore, the frequency of injections should be limited to a maximum of one to two times per month. Secondly, it’s crucial to ensure proper disinfection of the area during injections to prevent infections at the injection site and attend to potential bacterial infections. (Use of medication should be under the guidance of a physician.)
What is the metastatic pathway of osteosarcoma?
Osteosarcoma commonly spreads in three ways. The first is through hematogenous dissemination, meaning that tumor cells spread throughout the body via the bloodstream, a process known as hematogenous spread. The second method is called implantation metastasis, where tumor cells directly implant in the common sites of osteosarcoma, leading to localized disease. The third type is lymphatic spread, where tumor cells spread to multiple parts of the body through the lymphatic system, causing new tumor growth. These three pathways are the most common routes of metastasis seen clinically in osteosarcoma, with hematogenous spread being the most frequent.
The cause of osteosarcoma
At present, the causes of osteosarcoma are not yet clear, but it may be related to genetics, exposure to radioactive substances, and viral infections. It can also be secondary to other deformative osteitis and fibrous dysplasia of bone. Furthermore, some cases can also develop from other benign tumors, gradually degenerating into malignant tumors. Osteosarcoma commonly affects the long bones, mostly located at the metaphyseal ends, with fewer cases in the middle of the diaphysis. The tumor develops very rapidly, generally spreading gradually towards the ends of the bone, destroying the bone tissue, causing the tumor mass to quickly reach under the periosteum, and invading the neighboring muscle tissue outwardly.
Osteosarcoma common onset age
Osteosarcoma most commonly occurs in adolescents under the age of 20, or in children, and is a type of malignant tumor. It is the most common malignant bone tumor in children, accounting for about 5% of all malignant tumors in children, making this age group highly susceptible to osteosarcoma. The formation of osteosarcoma is mainly due to external factors such as viral infections and genetic mutations that lead to cell mutations. Osteosarcoma is a typical malignant tumor that destroys bone and surrounding soft tissue, leading to pathological fractures. It can also form distant metastases, thus posing a significant threat.
early symptoms of osteosarcoma
The early symptoms of osteosarcoma mainly include the following types: First, pain - patients will experience obvious pain in the affected limb. Second, lumps - lumps can be felt on the affected limb, accompanying significant tenderness. The growth rate of such lumps is directly related to your pathology and the course of your disease; the more severe your condition, the larger the lump. Third, limping - limping is caused by chronic pain in the affected limb. Over time, there may also be limited joint mobility and muscle atrophy in the affected limb. Fourth, symptoms such as fever, weight loss, and anemia may occur. Furthermore, in the middle and late stages of osteosarcoma, pathological fractures might occur.
Do osteosarcomas hurt?
The early symptoms of osteosarcoma include pain, which initially is intermittent. As the condition progresses, this intermittent pain gradually becomes constant, and the intensity of the pain is parallel to the severity of the osteosarcoma, meaning the more severe the osteosarcoma, the more intense the pain. Additionally, you can also feel a lump forming on the affected limb, and this lump is clearly tender to touch. The third symptom is the occurrence of a limp. This limp is due to pain, which prevents the patient from bearing weight and walking for extended periods. Lastly, all osteosarcomas present symptoms such as anemia, pathologic fractures, and a low-grade fever.
Can osteophytes be treated by taking calcium supplements?
Bone hyperplasia should not be treated with calcium supplementation. This is because bone hyperplasia is caused by the hardening of bone tissue near the joints due to degeneration and wear and tear. Therefore, clinically, only patients with osteoporosis need calcium supplementation. How do we treat bone hyperplasia? The main approach is symptomatic treatment, such as using massage, acupuncture, electrotherapy, and magnetotherapy to relieve local pain and symptoms of restricted movement. Additionally, injection therapy can be used to immediately alleviate local pain, but the number of injection treatments is clearly limited to once or twice a month at most. Excessive use can damage local muscles and ligaments.
Rib fractures are divided into several types.
The most common types of rib fractures in clinical practice are: The first is pathological fractures, the second is spontaneous rib fractures, the third is a single rib fracture, and the fourth is multiple rib fractures. Pathological rib fractures are due to inherent diseases, such as tumors leading to rib fractures. The second type, spontaneous fractures, occur due to intense activities or movements of the patient, such as severe coughing and sneezing, or sudden severe contraction of the chest muscles, causing the ribs to break due to tensile forces; this is called a spontaneous rib fracture. The third type is a single rib fracture, and the fourth type involves multiple rib fractures, both of which are commonly seen in rib fractures caused by trauma. These are the most common types of rib fractures currently seen in clinical practice.
Osteosarcoma can exhibit which symptoms?
The symptoms of osteosarcoma, first of all, include pain. The severity of the tumor varies, and so does the accompanying pain. If the tumor significantly damages the bone, causing stimulation to the nerve endings of the periosteum, it will lead to increased pain; Secondly, there is a lump. A lump can be felt on the limb, but this lump also comes with significant tenderness. The growth rate of this lump depends on the condition; Third, there is limping. This limping is also due to limb pain, which causes progressive limping symptoms when walking, and prolonged limping can also lead to joint stiffness and muscle atrophy; Fourth, there are systemic symptoms. Any patient with malignant tumors will experience weight loss, anemia, and multi-organ failure, and may even suffer from pathological fractures.
The difference between arthritis and rheumatoid arthritis
The difference between arthritis and rheumatoid arthritis is significant. Arthritis is a degenerative lesion caused by factors such as obesity, overuse, and trauma, which lead to the degeneration of joint cartilage. Rheumatoid arthritis is caused by acute or chronic inflammation of the connective tissue, commonly referred to as rheumatic fever. Clinically, it is mainly characterized by migratory pain, redness and swelling in the joints and muscles. The cause of rheumatoid arthritis is not yet definite in clinical practice, and the treatments are different. Osteoarthritis mainly results from cartilage degeneration and can be managed with conservative treatment in its early stages, while surgery might be required in the later stages. The treatment for rheumatoid arthritis primarily relies on medications to alleviate symptoms, and this condition may eventually lead to significant deformities of the hands and feet. Therefore, the differences between these two diseases are considerable.