giant-cell tumor

noun

Medical Definition of giant-cell tumor

: an osteolytic tumor affecting the metaphyses and epiphyses of long bones, composed of a stroma of spindle cells containing dispersed multinucleate giant cells, and usually being benign but sometimes malignant

called also osteoclastoma

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Cite this Entry

“Giant-cell tumor.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/giant-cell%20tumor. Accessed 15 Aug. 2020.

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