Tc-99m TRODAT Findings in a Mercury-Exposed Worker

• DOI: 10.1097/rlu.0b013e318184b3f4
• Publication Date: 2008-09-12T07:08:52Z
• Authors: Chun-Yi Lin; Saou-Hsing Liou; Chun-Ming Hsiech; Cheng-Kai Huang; Song-Yen Tsai
• Keywords: Mercury; Mercury poisoning

A 28-year-old man at high risk of mercury vapor exposure, having worked in a lamp factory for 5 years, was recruited to the hospital neurologic evaluation. This experimental study obtained both approval Institutional Review Board and worker's informed consent. The worker had complained memory impairment, palpitations, depression after working factory. His biologic urine level 9.18 μg/g creatinine. There no abnormality on brain-CT scan. However, imaging with Tc-99m TRODAT, an agent dopamine transporter measuring innervation striatum, showed markedly decreased uptake bilateral striata especially putamen. Based occupational history exposure level, confirmed.