Presurgical diagnosis of a primary carcinoid tumor of the thymus with MIBG.

Hirano, T; Otake, H; Watanabe, N; Oriuchi, N; Zennyouji, A; Fukuda, T; Endo, K · J Nucl Med · 1995

case_report · Level V

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Abstract

A primary carcinoid tumor of the thymus showing ectopic ACTH syndrome was evaluated scintigraphically with four radiopharmaceuticals and a fluorescence method. Iodine-123-MIBG and 201Tl-Cl scintigraphy clearly demonstrated the tumor. Gallium-67-citrate and 99mTc(V)-DMSA showed no tumor uptake. The fluorescence method confirmed numerous storage granules of norepinephrine. Iodine-123-MIBG scintigraphy could be useful in the presurgical diagnosis of carcinoid tumors of the thymus.

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