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Unexpected Uptake of Tc-99m MIBI in Thymic Carcinoma: Ring-like Appearance  

Sohn, Myung-Hee (Departments of Nuclear Medicine, Research Institute of Clinical Medicine, Chonbuk National University Medical School)
Jeong, Hwan-Jeong (Departments of Nuclear Medicine, Research Institute of Clinical Medicine, Chonbuk National University Medical School)
Lim, Seok-Tae (Departments of Nuclear Medicine, Research Institute of Clinical Medicine, Chonbuk National University Medical School)
Kim, Dong-Wook (Departments of Nuclear Medicine, Research Institute of Clinical Medicine, Chonbuk National University Medical School)
Yim, Chang-Yeol (Department of Internal Medicine, Research Institute of Clinical Medicine, Chonbuk National University Medical School)
Publication Information
Nuclear Medicine and Molecular Imaging / v.41, no.3, 2007 , pp. 255-257 More about this Journal
Abstract
A 59-year-old man with thymic carcinoma underwent Tc-99m MIBI myocardial SPECT, and Tc-99m MIBI uptake in the mass was unexpectedly found in a planar image. SPECT images of the thorax showed an increased uptake area with central photon deficiency (a ring-like appearance), which reflected central tumor irreversible ischemia or progressing necrosis with peripheral viable tumor tissue.
Keywords
SPECT; Tc-99m MIBI; thymic carcinoma; mediastinal tumor;
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