99mTc-MIBI uptake in metastatic renal cell carcinoma

Increased 99mTc-Sestamibi Activity in Giant Cell Tumor of Bone

“…Unexpected detection of malignancies during imaging studies using 99m Tc sestamibi, either parathyroid scintigraphy or myocardial perfusion study, has been reported many times before. However, most of the lesions in prior publications were soft tissue tumors, including those in the thyroid, 6,7 lungs, 8,9 breast, 10–12 mediastinum, 12–14 kidney, 15 and liver 16 . Multiple myeloma can also have elevated sestamibi activity 17,18 .…”