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Background: Osteosarcoma has a global incidence of 3.4 cases per million annually, with 10-20% of patients presenting with metastasis at diagnosis. Its high metastatic potential is attributed to a highly proliferative cell population and cancer stem cells that drive tumorigenesis and metastasis. This study examines the relationship between CD133 and CXCR4 expression and metastasis in osteosarcoma.
Methods: Using a cross-sectional approach, blood serum from osteosarcoma patients diagnosed at two centers was analyzed for CD133 and CXCR4 levels via Reed Biotech ELISA KIT. Absorbance quantified marker levels, and metastasis data were obtained from medical records. A chi-square test assessed the relationship between marker levels and metastasis, with significance set at p < 0.05.
Results: Among 40 patients (80% < 40 years), mean CD133 was 0.23 ± 0.02 pg/ml and mean CXCR4 was 6015.82 ± 2345.55 pg/ml. CD133 and CXCR4 levels were significantly associated with metastasis (p = 0.009 and p < 0.001, respectively).
Conclusion: These findings suggest that higher expression of CD133 and CXCR4 correlates with increased metastasis in osteosarcoma, underscoring their potential roles in predicting metastatic behavior and aiding in targeted therapeutic strategies.
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http://dx.doi.org/10.1007/s00590-025-04434-x | DOI Listing |
J Pathol
September 2025
The North of England Bone and Soft Tissue Tumour Service, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK.
Indocyanine green (ICG) is a well-established near-infrared dye which has been used clinically for several decades. Recently, it has been utilised for fluorescence-guided surgery in a range of solid cancer types, including sarcoma, with the aim of reducing the positive margin rate. The increased uptake and retention of ICG within tumours, compared with normal tissue, gives surgeons a visual reference to aid resection when viewed through a near-infrared camera.
View Article and Find Full Text PDFIndian J Nucl Med
August 2025
Department of Medical Oncology, All India Institute of Medical Sciences, New Delhi, India.
Metastatic renal osteosarcoma is a rare entity. We report a case of a 52-year-old male postright nephrectomy status presented to us with metastatic renal osteosarcoma. 18-fluorine- fluorodeoxyglucose (F-FDG) avid lesions were seen in the right renal bed with extension to adjacent hepatic parenchyma.
View Article and Find Full Text PDFCureus
August 2025
Histology and Embryology, David Tvildiani Medical University, Tbilisi, GEO.
This case report is focused on a patient (a 32-year-old previously healthy man) with a femoral bone tissue tumor. The case underscores the diagnostic complexity of Telangiectatic Osteosarcoma (TOS) with Aneurysmal Bone Cystic (ABC) lesion and the importance of maintaining special immunohistochemical markers for differential diagnosis between low-grade osteosarcoma, primary ABC, and suspected TOS, which is a true mimicker of ABC. On the other hand, this presentation describes some molecular rearrangements seen in ABC.
View Article and Find Full Text PDFRev Bras Ortop (Sao Paulo)
June 2025
Department of Orthopedics and Traumatology, Faculty of Medicine, Udayana University, Prof. Ngoerah General Hospital, Bali, Indonesia.
Objective: The present study explores the association between these inflammatory markers and metastasis in osteosarcoma patients.
Methods: We conducted a retrospective analysis of osteosarcoma patients at our center between January 2022 and August 2024. We collected the clinical and laboratory data of the patients, including white blood cell differential count, C-reactive protein (CRP) levels, erythrocyte sedimentation rate (ESR), neutrophil-to-lymphocyte ratio (NLR), alkaline phosphatase (ALP) and lactate dehydrogenase (LDH) levels.
Rev Bras Ortop (Sao Paulo)
June 2025
Departamento de Ortopedia e Traumatologia, Faculdade de Medicina, Udayana University, Prof. Ngoerah General Hospital, Bali, Indonésia.
Objective: The present study explores the association between these inflammatory markers and metastasis in osteosarcoma patients.
Methods: We conducted a retrospective analysis of osteosarcoma patients at our center between January 2022 and August 2024. We collected the clinical and laboratory data of the patients, including white blood cell differential count, C-reactive protein (CRP) levels, erythrocyte sedimentation rate (ESR), neutrophil-to-lymphocyte ratio (NLR), alkaline phosphatase (ALP) and lactate dehydrogenase (LDH) levels.