The role of chemotherapy and radiotherapy in localized extraskeletal osteosarcoma

We examined disease outcomes for ESOS patients and investigated the association between CT/RT with recurrence and survival.
Source: European Journal of Cancer - Category: Cancer & Oncology Authors: Tags: Original Research Source Type: research

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The difficulty of assessment of neoadjuvant chemotherapeutic response preoperatively may hinder personalized-medicine strategies that depend on the results from pathological examination.
Source: Cancer Imaging - Category: Radiology Authors: Tags: Research article Source Type: research
Conclusion: These results suggest that combining PIO along with CDDP could be an effective treatment strategy for osteosarcoma and has important clinical potential for patients.
Source: Cancer Genomics and Proteomics - Category: Cancer & Oncology Authors: Tags: Article Source Type: research
ConclusionThe present data suggested that the blocking of PD-1/PD-L1 axis had a positive prognostic value, which can enhance the chemotherapeutic effect of cisplatin in OS. These findings provide a rationale for utilizing PD1/PD-L1 blocking antibodies as a single agent to cure refractory OS in patients receiving cisplatin treatment.
Source: Environmental Health and Preventive Medicine - Category: Environmental Health Source Type: research
Conclusions: Surgery in combination with chemotherapy should be recommended for the treatment of the secondary older osteosarcoma patients, while for the primary older osteosarcoma patients, only surgery should be recommended.
Source: Journal of Cancer - Category: Cancer & Oncology Authors: Tags: Research Paper Source Type: research
In this study, we identified silencing of miR-127-3p and miR-376a-3p in osteosarcoma cell lines and tissues and investigated their role as potential tumor suppressors in vitro and in vivo. Transfection of osteosarcoma cells (n = 6) with miR-127-3p and miR-376a-3p mimics significantly inhibited proliferation and reduced the colony formation capacity of these cells. In contrast, we could not detect any influence of miRNA restoration on cell cycle and apoptosis induction. The effects of candidate miRNA restoration on tumor engraftment and growth in vivo were analyzed using a chicken chorioallantoic membrane (CAM) assay. Cells...
Source: Cancers - Category: Cancer & Oncology Authors: Tags: Article Source Type: research
The role of high-dose chemotherapy in relapsing osteosarcomas has not been established. We evaluated the efficacy and tolerance of high-dose thiotepa (HDTp) after standard chemotherapy (SCT) in patients with relapsed osteosarcoma.
Source: European Journal of Cancer - Category: Cancer & Oncology Authors: Tags: Original Research Source Type: research
Authors: Sun HB, Wang HY, Wu B, Wang ZF, Wang LZ, Li FQ, Wu JD, Zhang LN Abstract The poor prognosis of patients with osteosarcoma remains a persistent problem, in particular for patients with unresectable tumors or metastasis. Therefore, combination of radiotherapy and chemotherapy has been considered for patients with metastasis or recurrence, patients unsuitable for surgery and patients refusing surgery. The present study aimed to investigate the effect of the combined treatment with cisplatin and radiation therapy on the biological characteristics of the osteosarcoma cell line MG-63 and the breast cancer 1 (BRC...
Source: Oncology Letters - Category: Cancer & Oncology Tags: Oncol Lett Source Type: research
AbstractThe multi-disciplinary approach involving imaging, multi-agent chemotherapy, meticulous surgical procedures, and careful postoperative care has facilitated an increase in the use of limb-sparing surgery for pediatric osteosarcoma. Osteosarcoma usually occurs around the metaphysis of the distal femur or proximal tibia and needs wide excision with the adjacent joint and replacement by a megaprosthesis. The recent advancement in imaging modalities and surgical techniques supports joint-preservation surgery (JPS), involving the preservation of the adjacent epiphysis, for select patients following careful assessment of ...
Source: Cancer and Metastasis Reviews - Category: Cancer & Oncology Source Type: research
AbstractEwing sarcoma (ES) and Ewing-like sarcomas are highly aggressive round cell mesenchymal neoplasms, most often occurring in children and young adults. The identification of novel molecular alterations has greatly contributed to a profound reappraisal of classification, to the extent that the category of undifferentiated round cell sarcoma has significantly shrunk. In fact, in addition to Ewing sarcoma, we currently recognize three main categories: round cell sarcomas withEWSR1 gene fusion with non-ETS family members,CIC-rearranged sarcomas, andBCOR-rearranged sarcomas. Interestingly, despite significant morphologic ...
Source: Virchows Archiv - Category: Pathology Source Type: research
Osteosarcoma (OS) is the most common primary bone malignancy and is a leading cause of cancer-related death in children and young adults. Combination chemotherapy developed 3 decades ago significantly improved long-term survival compared to surgery alone. However, despite notable tumor cytoreduction and remission, the 5-year survival rate has remained static at ∼70% since, and the surviving patients have high chemoresistance with sustained risk of recurrent OS that has propensity to metastasize. After metastasis, the 5-year survival rate is abysmally low (∼10% to 20%). Emerging new evidence has revealed that within...
Source: Techniques in Orthopaedics - Category: Orthopaedics Tags: Symposium Source Type: research
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