an·​gio·​myo·​li·​po·​ma ˌan-jē-ō-ˌmī-ə-lī-ˈpō-mə, -li- How to pronounce angiomyolipoma (audio)
plural angiomyolipomas also angiomyolipomata -mə-tə How to pronounce angiomyolipoma (audio)
: a benign tumor composed of blood vessels, smooth muscle, and fat that occurs especially in the kidney and that is often asymptomatic but may cause pain or blood in the urine
angiomyolipomas are often part of a syndrome called tuberous sclerosis.Paul G. Donohue, The Star Ledger (Newark, New Jersey)
Macroscopic fat within a renal mass, identified by means of CT or magnetic resonance imaging (MRI), is diagnostic of angiomyolipoma (a benign mass), unless calcification is present, which would indicate a malignant condition.Inderbir S. Gill, The New England Journal of Medicine,

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“Angiomyolipoma.” Medical Dictionary, Merriam-Webster, Accessed 11 Dec. 2023.

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