The histologic results from our study suggest that the "hypercellularity" of a breast lesion with or without atypia can accumulate Tc-99m sestamibi, which results in false-positive findings.

Background: Increased 99m Tc-sestamibi stress lung-to-heart ratio (sLHR) has been shown to predict cardiac outcomes similar to pulmonary uptake of thallium. Peak heart rate and use of ...