Breast-specific gamma imaging or molecular breast imaging is a diagnostic procedure performed as a follow-up study to a mammogram that detects cancer or is inconclusive in its findings. BSGI is used to detect:
63 year-old woman with an initially classified stage 4 invasive ductal carcinoma in right breast. PET/CT shows large breast tumor penetrating the skin and pectoral muscle and with a high FDG uptake in the internal mammary node.
The procedure involves the use of a radiotracer called Technetium-Tc99m-Sestamibi that is injected into the patient’s bloodstream and accumulates in cancerous tissue. Images acquired with a special gamma camera modified for breast imaging reveal abnormal areas where the radiotracer has distributed.
Advantages of BSGI
Recent studies have shown that BSGI is able to: