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Osteosarcoma
How to alleviate the pain of osteosarcoma?
Pain in osteosarcoma patients is mostly caused by the cancer invading local bone tissue and other tissues, leading to pain, tenderness, and even sleeplessness. Therefore, the pain management follows a certain hierarchy, starting with non-steroidal anti-inflammatory drugs, followed by weak opioids, and finally strong opioids such as morphine. However, this only alleviates the pain and does not help with treatment. For early-stage osteosarcoma patients, pain management primarily involves surgery when necessary. For advanced-stage patients, it involves gradually increasing the dose of effective pain-relief medications to alleviate temporary pain. (Controlled drugs must be strictly used under the supervision of relevant physicians.)
Are osteosarcomas sensitive to radiotherapy and chemotherapy?
Osteosarcoma is generally insensitive to radiotherapy, hence radiation therapy is not used for such diseases in clinical settings. Similarly, these diseases have a moderate sensitivity to chemotherapy, necessitating the use of relatively high doses of chemotherapy during treatment. The main mechanism of chemotherapy involves using a series of cytotoxic drugs to inhibit tumor growth. Although high-dose chemotherapy can effectively kill tumor cells, it can also damage some of the patient's normal cells, leading to severe reactions. If radical surgery is viable for these patients, then curative surgery is the preferred method of treatment.
Does osteosarcoma hurt when pressed?
Osteosarcoma, also known as osteogenic sarcoma, is a primary malignant tumor of the bone. It ranks second in incidence among bone tumors and has a relatively high incidence and malignancy rate. It is more common in adolescents and occurs more frequently in males than in females. The earliest clinical symptoms of this disease include dull pain and persistent pain that worsens with activity, as well as nighttime pain, which is more pronounced than daytime pain. This is a very important characteristic, indicating that patients experience nighttime pain and rest pain. The affected area may develop a rapidly growing mass that changes significantly in size from month to month. If the tumor grows large, pressing on it can cause pain, but in the early stages when the tumor is not very large, the tenderness may not be very apparent, presenting only as localized spontaneous pain, which requires attention.
Does osteosarcoma spread through blood?
As far as we know, osteosarcoma is not transmitted through blood or infectious. If osteosarcoma had such infectious characteristics, it would be transmitted in the same way as AIDS or other sexually transmitted diseases and would be classified as a contagious disease. However, there has been no notification or relevant guidelines to date indicating that osteosarcoma can be transmitted through blood. Therefore, normal contact with patients with osteosarcoma, or caring for patients with osteosarcoma, including sharing the same food or coming into contact with their blood, generally does not lead to the transmission or contraction of osteosarcoma.
Characteristics of Osteosarcoma
Osteosarcoma is a malignant tumor of the bone that primarily occurs in adolescents and young adults, commonly found at the metaphyseal ends of long bones. For example, it may occur at the distal end of the tibia, the distal end of the femur, or the metaphyseal end of the humerus. Clinically, the main symptom is pain, which is persistent and more noticeable at night, accompanied by a local mass, limited movement, increased local skin temperature, distended veins, and general symptoms such as weight loss and even cachexia. Some patients may experience pathological fractures. Often, there are no symptoms in the early stages, and by the time it is detected, it is usually in an intermediate or advanced stage. Radiographic examination typically shows a Codman's triangle or sunburst pattern. Early detection and treatment are crucial. The usual treatment choice is surgical, such as deactivation and reimplantation, or limb-salvage surgery with prosthetic implantation. Additionally, amputation followed by extensive chemotherapy is another option. With recent advances in chemotherapy, there has been significant improvement in life extension.
Postoperative recurrence symptoms of osteosarcoma
Symptoms of recurrent osteosarcoma after surgery are generally consistent with the symptoms before the initial surgery. The main symptoms include: Firstly, localized pain, which is persistent, progressive, and does not alleviate, including pain that worsens at night. Secondly, localized swelling, which usually occurs around the surgical site if limb-sparing surgery was performed, or at the stump if amputation was done. Thirdly, the appearance of systemic cachexia and symptoms of metastasis. Systemic cachexia typically includes weight loss, anemia, fatigue, and loss of appetite. For osteosarcoma, metastasis primarily targets the lungs, where numerous cancerous shadows can be detected. Thus, the main recurrent symptoms of osteosarcoma after surgery include pain, swelling, and cachexia.
incidence of osteosarcoma
Osteosarcoma, also known as osteogenic sarcoma, is a primary malignant tumor of the bone and has a relatively high incidence rate. Among primary bone tumors, the incidence of osteosarcoma is second only to plasma cell myeloma, ranking second. Osteosarcoma typically occurs in tubular bones, commonly affecting the rapidly growing metaphyseal regions. The distal femur, proximal tibia, and proximal humerus are the most frequently affected sites. Between 50%-70% of all cases occur around the knee joint. The common age range for this disease is between 10 to 20 years old, with a higher prevalence in males than in females.
Can hot compresses relieve pain for osteosarcoma?
Osteosarcoma has very limited pain relief effects through simple or pure hot compresses. As the lesion progresses, hot compresses can become completely ineffective or have very unclear effects. Clinical manifestations include pain and swelling, with local formation of lumps or tumor-like appearances. It can also affect the joint mobility around it, and even cause atrophy of limbs and muscles. In terms of treatment, it still relies on early surgical excision, but the prognosis is still not very optimistic.
What is the basis for the diagnosis of osteosarcoma?
Let's briefly describe osteosarcoma, which is a malignant tumor of the bone, most commonly found in adolescents and young adults, typically occurring near the proximal end of the tibia, the distal end of the femur, or the proximal end of the humerus, mainly growing at the epiphyseal ends. In the early stages, patients show no symptoms, with the most common symptom being pain, usually discovered in the middle to late stages. This pain tends to be persistent and is most pronounced at night. Some patients may also have a local mass. Osteosarcomas are highly prone to early lung metastases. Additionally, the surface skin temperature may increase, veins may become distended, and there may be a presence of cachexia as the disease progresses, leading to severe thinness and weakness in the body. The primary diagnostic basis is radiographic examination, which might show unique signs such as Codman’s triangle under sun-ray exposure, indicative of osteosarcoma. If the radiographic signs are not typical, further differentiation can be done using CT scans or MRI. The most crucial matter is surgical biopsy for a definitive diagnosis, mainly based on the postoperative pathology. Intraoperative measures like cryosurgery can be performed. Upon discovery, limb amputation is generally recommended, although limb-sparing surgeries can be considered, involving techniques like resection followed by reimplantation or prosthetic implantation. Overall, the prognosis is typically poor, but with the rapid advancement in chemotherapy, the five-year survival rate can improve somewhat, generally around 50%.
Why is there a cough in osteosarcoma?
Osteosarcoma ranks second in the incidence of malignant tumors in the whole body's bones; its incidence is relatively high. It generally occurs in the long tubular bones, shafts, or epiphyseal areas of the limbs. Since the most common organ metastasis of osteosarcoma is to the lungs, if a patient with osteosarcoma develops a cough, it should be taken seriously, and it's recommended that the patient undergo a targeted examination such as a chest X-ray or a CT scan of the lungs to check for lung metastasis and any lesions on the lungs. However, there is no need to panic prematurely, as osteosarcoma patients might cough due to upper respiratory infections or lung infections, which doesn't necessarily indicate lung metastasis. Therefore, once a patient with osteosarcoma develops a cough, a targeted examination should suffice.