myeloma

American  

[mahy-uh-loh-muh] / ˌmaɪ əˈloʊ mə /

noun

Pathology.

plural

myelomas, myelomata

1. a tumor of plasma cells, arising in bone marrow, and often occurring at multiple sites, as in the vertebrae and flat skull bones.

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myeloma British  

/ ˌmaɪɪˈləʊmə /

noun

1. a usually malignant tumour of the bone marrow or composed of cells normally found in bone marrow

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Other Word Forms

• myelomatoid adjective

Etymology

Origin of myeloma

First recorded in 1855–60; myel- + -oma

Example Sentences

Privately held Kelonia is developing a next-generation treatment for the blood cancer multiple myeloma.

From The Wall Street Journal • Apr. 19, 2026

Darzalex, which is J&J’s multiple myeloma drug and top-selling product, brought in about $4.0 billion in revenue, up from $3.2 billion in the same three months last year.

From MarketWatch • Apr. 14, 2026

In laboratory experiments, zeaxanthin enhanced these cells' ability to destroy melanoma, multiple myeloma, and glioblastoma cells.

From Science Daily • Apr. 10, 2026

The criteria for diagnosing myeloma are sometimes described using the acronym CRAB: Calcium elevation, Renal issues, Anemia, Bone problems.

From Slate • Mar. 29, 2026

The myeloma is also to be diagnosed from chondroma, from sarcoma, and from osteomyelitis fibrosa cystica.

From Manual of Surgery Volume First: General Surgery. Sixth Edition. by Thomson, Alexis