his·​tio·​cy·​to·​ma ˌhis-tē-ō-sī-ˈtō-mə How to pronounce histiocytoma (audio)
plural histiocytomas also histiocytomata -mət-ə How to pronounce histiocytoma (audio)
: a tumor that consists predominantly of macrophages
a malignant fibrous histiocytoma of the spleen

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Cite this Entry

“Histiocytoma.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/histiocytoma. Accessed 19 Jun. 2024.

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