technetium 99m MIBI

technetium 99m (methoxyisonitrile) MIBI

A radioactive tracer consisting of technetium-99m linked to MIBI. It is used in nuclear medical imaging (e.g., in scintimammography) to identify cancerous breast masses. Other uses of technetium 99m MIBI include cardiac, parathyroid, and thyroid imaging. See also: technetium-99m