Tl-201 uptake and retention in a Warthin’s tumor |
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Authors: | Ali S. Arbab Kiyoshi Koizumi Takao Arai Keiji Toyama Tsutomu Araki |
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Affiliation: | 1. Department of Radiology, Yamanashi Medical University, Tamaho-cho, Nakakoma-gun, 409-38, Yamanashi, Japan
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Abstract: | We report scan findings of Tl-201 in a case of histologically proved Warthin’s tumor. Dual isotopes acquisition was performed in a case of left parotid Warthin’ s tumor. Both early and delayed Tc-99m-pertechnetate (Tc-99m) images showed increased uptake at the tumor. Tl-201 scan also showed an increase of uptake on the early image and retention on the delayed image. The uptake ratios of Tl-201 were 3.0 (early) and 2.3 (delayed). Scan findings of Tl-201 in a case of Warthin’s tumor were similar to those of Tc-99m, and the interpretation of Tl-201 images should be accompanied with Tc-99m images. |
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