ArticleOncology letters2025
Arterial perfusion chemoembolization combined with iodine-125 seeds for stage IIB osteosarcoma: A case report.
Article in Oncology letters, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors.
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Abstract
Osteosarcoma is a highly malignant bone tumor that predominantly affects adolescents. Its aggressive nature, complex treatment options and poor prognosis render it a notable concern in oncology. With advancements in therapy for osteosarcoma, neoadjuvant chemotherapy in conjunction with limb-salvage surgery has emerged as the preferred surgical strategy. However, the physical and emotional trauma associated with surgery, along with the adverse side effects of chemotherapy, can be unacceptable to some patients. In recent years, alternative local treatment modalities such as transarterial chemoembolization (TACE) and iodine-125 seed implantation have garnered considerable attention. These techniques show potential in enhancing local tumor control while minimizing systemic toxicity. TACE involves obstructing the blood supply to the tumor while administering localized chemotherapy, resulting in tumor ischemia and necrosis, which is particularly effective for hypervascular tumors. Meanwhile, iodine-125 seeds act as low-energy radiation sources that can effectively target tumor cells while sparing the surrounding healthy tissue. The present study describes a case of osteosarcoma treated with a combination of TACE and iodine-125 seed implantation. The patient, diagnosed with osteosarcoma of the left knee joint, declined surgical intervention. Consequently, a treatment plan involving TACE paired with iodine-125 seed implantation was established. Post-treatment follow-up demonstrated marked pain relief, improved limb function and a notable reduction in tumor volume with decreased bone destruction visible on imaging. Over a follow-up period of 6 years, there were no signs of disease recurrence or distant metastasis, and no notable chemotherapy-related side effects were reported. The quality of life of the patient was markedly improved. The current case illustrates the antitumor efficacy and reduced toxicity of combining TACE with iodine-125 seed implantation in the management of osteosarcoma.
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