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Year : 2019  |  Volume : 34  |  Issue : 1  |  Page : 74-75

Technetium-99m labeled tropane derivative: Uptake in a pituitary macroadenoma


1 Department of Nuclear Medicine and Positron Emission Tomography, All India Institute of Medical Sciences, New Delhi, India
2 Department of Neurology, CN Centre, All India Institute of Medical Sciences, New Delhi, India

Correspondence Address:
Dr. Madhavi Tripathi
Department of Nuclear Medicine and Positron Emission Tomography, All India Institute of Medical Sciences, New Delhi - 110 029
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijnm.IJNM_113_18

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We present a case of suspected idiopathic Parkinson's disease in whom extrastriatal accumulation of Technetium-99m labeled tropane derivatives in a pituitary macroadenoma interfered with image quality and interpretation. Subsequent F-18 fluoro-dihydroxyphenylalanine positron emission tomography/computed tomography was useful to demonstrate the absence of presynaptic dopaminergic dysfunction.


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