osteosarcoma

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osteosarcoma

[¦äs·tē·ō·sär′kō·mə]
(medicine)
A malignant tumor principally composed of anaplastic cells of mesenchymal derivation. Also known as osteogenic sarcoma.
References in periodicals archive ?
The high-grade soft tissue osteosarcoma of the breast is a cytologically malignant spindle cell neoplasm dominated by extensive production of osteoid and bone associated with the cytologically atypical cells.
Tissue specimens were sectioned through the coronal axis of the osteosarcomas by an electronic saw.
The prognostic significance of this scoring system was confirmed in an independent set of 42 high-grade osteosarcomas.
Asi lo demostro Delgado, quien senalo una supervivencia de 70% a dos y medio anos ante osteosarcomas con dimensiones menores de 10 cm y con margenes quirurgicos libres de tumor, que disminuyo a 10% en el mismo lapso cuando existio tumor en los margenes quirurgicos [8,9].
The differential diagnosis of petrous apex tumors includes chondrosarcoma, schwannoma, paraganglioma, and primary bony tumors such as osteoblastoma and osteosarcoma.
Roessner, "p53 gene mutations in osteosarcomas of low-grade malignancy," Human Pathology, vol.
We, hereby, present a case of osteosarcoma in maxilla in a 22-year-old male patient creating diagnostic dilemma owing to its rare presentation and location.
Key words: osteosarcoma, polyostotic, wildlife, avian, kestrel, Falco tinnunculus
They found that the ATR inhibitors VE-821 and AZ20 selectively eliminated ALT-positive osteosarcoma and glioblastoma cells from panels of cancer cell lines, suppressing their ability to extend their telomeres though recombination and leading to the cells' death.
Objective: To present our experience of treatment outcomes in adult osteosarcoma patients.