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

Meivel Angamuthu, Madhavi Tripathi, Harish Goyal, Girish Parida, Vinay Goyal, Nishikant Damle, Chandrasekhar Bal

Indian Journal of Nuclear Medicine 2019 34(1):74-75

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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