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Visualization of a Recurrent Carcinoid Tumor and an Occult Distant Metastasis by Technetium-99m-Sestamibi

Nuclear Medicine Department, St. Luke's Medical Center, Milwaukee, Wisconsin

Correspondence: For correspondence or reprints contact: Shobha P. Desai, MD, Nuclear Medicine Department, St. Luke's Medical Center, 2900 W. Oklahoma Ave., P.O. Box 2901, Milwaukee, WI 53201-2901.

ABSTRACT

We present a case of atypical carcinoid that showed avid uptake of sestamibi in a recurrent bronchial carcinoid tumor and a solitary, unsuspected, occult, bony metastatic lesion in the distal femur. As carcinoid tumors are known to be vascular, we suspect that its avidity for sestamibi is secondary to increased blood flow, although other factors such as the transmembrane potentials this of plasma and mitochondrial membranes and relative number of mitochondria present in the cells of this carcinoid tumor, may have also played a role.

This article has been cited by other articles:

				B. D. Nguyen Parathyroid Imaging with Tc-99m Sestamibi Planar and SPECT Scintigraphy RadioGraphics, May 1, 1999; 19(3): 601 - 614. [Abstract] [Full Text] [PDF]