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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
Will osteosarcoma cause the skin to turn red?
Patients with osteosarcoma will not have red skin. The early symptoms of osteosarcoma are generally not obvious, primarily involving localized swelling, with pain around the joints leading to limited joint mobility. As the condition progresses, this pain may shift from intermittent to constant, and the severity of the pain will increase as the disease worsens. The second patient will exhibit a noticeable lump that can be felt; this lump is usually accompanied by significant tenderness. The third symptom is intermittent limping, caused by pain from the tumor during walking, which prevents the patient from bearing weight for extended periods. The fourth aspect involves systemic symptoms common to patients with tumors, such as anemia, mild fever, and even pathological fractures.
What tests are done to diagnose osteosarcoma?
The most accurate diagnostic method for osteosarcoma is biopsy, where live tissue is extracted and sent for pathological examination. The positive rate of this method can reach over 90%. Besides biopsy, there are several other methods to examine such conditions. For example, X-rays can be taken to observe significant damage to the bone structure. Secondly, CT scans and MRI can be used to determine whether the bone tumor has infiltrated surrounding tissues. MRI can also detect if there are metastases to organs outside the lungs. The third method is radionuclide bone scanning, which primarily aims to check for distant metastases of osteosarcoma.
Conservative treatment methods for lumbar disc herniation
The conservative treatment methods for lumbar disc herniation primarily include the following approaches. First, absolute rest is essential, and one should sleep on a hard bed rather than a soft one. Second, traction is used to alleviate pain symptoms. Third, massage and acupuncture are employed to relieve lower back pain and restricted mobility. Fourth, oral administration of non-steroidal anti-inflammatory and pain-relieving drugs, as well as drugs that promote blood circulation and remove blood stasis, are used to alleviate local pain. These drugs primarily function by reducing local inflammatory responses and decreasing the release of inflammatory factors, thereby easing pain. Fifth, electotherapy and magnetotherapy can also be used to relieve local pain. These are the conservative treatment methods for lumbar disc herniation.
Osteosarcoma etiology
Currently, in clinical practice, the pathogenesis of osteosarcoma is not fully understood. However, it may be related to genetics, exposure to radioactive materials, and viral infections. It can also be secondary to other deformative osteitis, fibrous dysplasia, and some benign tumors transforming into malignant bone tumors. Osteosarcoma primarily occurs in the metaphysis of long bones. The tumor spreads along the marrow cavity, extending towards both the metaphysis of the long bones and the diaphysis of the bones. Once the tumor breaks through the bone shaft, it rapidly destroys the cortical bone, spreads under the periosteum, and invades the surrounding soft tissues outside the eardrum, damaging the surrounding muscles and soft tissues.
What should I do if I have a lumbar muscle strain?
The recurrence of lumbar muscle strain primarily requires rest as the first measure; it is essential to rest in bed and avoid exerting the muscles in the lower back. Secondly, some external plasters can be applied, such as non-steroidal anti-inflammatory and analgesic plasters, as well as plasters that promote blood circulation and remove blood stasis, to alleviate pain in the lower back. Thirdly, some physical therapy methods can be used, such as massage, acupuncture, electrotherapy, and magnet therapy to relieve the pain in the muscles of the lower back. However, among these methods, rest is the most important, including being cautious with methods of exercise and training. For instance, some people prefer running, while others enjoy playing ball sports; generally, patients with lumbar muscle strain should absolutely avoid these kinds of activities. If they engage in strenuous activities even once, the lumbar muscle strain will recur. It is recommended for patients with lumbar muscle strain who enjoy exercise to consider swimming; swimming is a non-weight-bearing form of exercise that does not aggravate the condition but can strengthen the muscles in the lower back, alleviating the symptoms of lumbar muscle strain. (Please use medication under the guidance of a professional physician.)
Characteristics of bone metastasis in osteosarcoma
Osteosarcoma, when it metastasizes to the bone, is very complex to treat. Surgery cannot fully excise the metastasized bone tissue. Currently, clinical treatments mainly involve a comprehensive approach using radiotherapy, chemotherapy, and traditional Chinese medicine. Most osteosarcomas show improvement in symptoms and an increase in patients' quality of life after radiotherapy and chemotherapy treatment. However, these treatments have their complications. For instance, while killing tumor cells, they can also damage normal cells, resulting in a decreased immune response and various related complications. Ultimately, this might lead to the cessation of radiotherapy and chemotherapy treatments. Therefore, current treatments for bone metastases from osteosarcoma involve using radiotherapy and chemotherapy in conjunction with traditional Chinese medicine. Traditional Chinese medicine may enhance the efficacy of radiotherapy and chemotherapy while also reducing their toxicity. (The use of medications should be under the guidance of a professional doctor.)
Symptoms of lumbar hyperostosis
The symptoms of lumbar spondylosis mainly include localized pain and limited mobility. This condition can be alleviated through conservative treatments such as massage, acupuncture, electrotherapy, and magnetotherapy to relieve localized pain. Alternatively, block therapy can be used for relief. It is important to note that block therapy rapidly reduces pain symptoms, but its duration is limited. Also, the frequency of using this method is strictly limited to a maximum of 1-2 times per month because the injection contains a high concentration of steroids, which can damage local muscles or ligaments and potentially worsen the pain. (For specific medication use, please follow the guidance of a doctor and do not self-medicate.)
Can osteosarcoma be detected by ultrasound?
Osteosarcomas are generally difficult to diagnose through ultrasound. The diagnosis of osteosarcoma mainly relies on the following methods. The first method is X-rays. X-rays can reveal a typical Codman's triangle appearing in the bone. The second method involves using CT and MRI to detect the extent of the tumor and to see if there is extensive infiltration around it. The third method is nuclear bone scanning. The main significance of nuclear bone scanning is to detect bone tumors early and to distinguish whether there has been any metastasis in the later stages. The fourth method is the gold standard, which is to perform a biopsy. However, this test is invasive, requiring the cutting of tissue from the osteosarcoma for pathological examination. Of course, this method provides the highest accuracy and positive rate.
Early symptoms of periarthritis of the shoulder
The early symptoms of periarthritis of the shoulder are pain in the shoulder and limited movement of the shoulder joint, especially the action of raising the arm, which is clearly restricted. Therefore, for the treatment of this condition, it is encouraged that patients engage in functional exercises early on. If one fears the pain and dares not to move the shoulder joint, it will lead to stiffness of the joint and atrophy of the surrounding muscles. Generally speaking, periarthritis of the shoulder is a self-limiting disease with a typical duration of about one year. If you can raise your shoulder and perform normal activities within a year, then there will be no residual sequelae afterwards. However, if within a year, the shoulder joint becomes stiff and its movement becomes limited, then after a year, the symptoms of shoulder pain will significantly improve, but there will be some loss of range of motion in the joint. Therefore, for all patients with periarthritis of the shoulder, early functional exercise is encouraged to avoid symptoms such as joint effusion, joint stiffness, and muscle atrophy.
Causes of Osteosarcoma Formation
The causes of osteosarcoma formation are currently unclear in clinical practice, but they are somewhat related to environmental factors and genetic changes, including heredity. If triggered by external viral infections or physical and chemical influences, osteosarcomas may develop. Likewise, genetic mutations and cellular mutations might also be associated with the formation of osteosarcomas. Osteosarcomas originate from mesenchymal cells and can grow rapidly; passing through a cartilaginous stage, they directly and indirectly form bone-like and bone tissues, damaging the bone structure, which leads to severe consequences.