Does osteosarcoma spread through blood?

Written by Guan Jing Tao

Orthopedics

Updated on December 05, 2024

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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.

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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.

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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.

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Orthopedics

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Osteosarcoma diagnostic methods

Osteosarcoma Diagnostic Methods: In clinical practice, once osteosarcoma is suspected in a patient, the diagnostic approach, as per the Chinese Cancer Treatment Guidelines, requires a combination of clinical symptoms, radiological data, and pathology. Only through the integration of these three elements can a definitive diagnosis of osteosarcoma be established. Reliance solely on pathology, or exclusively on radiologic examination or clinical examination, can lead to biased results. Given that immediate treatment is crucial upon the discovery of osteosarcoma, and considering the severe implications of treatment costs, patient suffering, and other related issues, it is vital that the diagnosis of osteosarcoma is error-free. To ensure absolute certainty, the approach should involve clinical symptoms supplemented by necessary auxiliary examinations such as X-rays and CT or MRI scans, followed by a diagnostic biopsy for pathological results. This comprehensive combination generally prevents the occurrence of missed or misdiagnoses in patients with osteosarcoma. Therefore, the confirmatory diagnosis of osteosarcoma should not rely solely on one type of examination but should combine clinical assessment with necessary imaging data and pathology to finalize the diagnosis process.

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Written by Wang Cheng Lin

Orthopedics

52sec

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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.

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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.