Definition of "histiocytoma" [histiocytoma]

• A tumour consisting of histiocytes. (noun)

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• "The responses were seen in two types of bone sarcomas: osteosarcoma and malignant fibrous histiocytoma (MFH)."
• "Today we received the pathology report which stated that Sadie had a grade II, fibrous histiocytoma."
• "Young dogs can get an ulcerated looking lump, called a histiocytoma."