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Dopamine transporter scan: A helpful yet underutilized tool to distinguish various subtypes of dementia

320  Indian Journal of Nuclear Medicine | Vol. 31: Issue 4 | October‐December, 2016 obtained by scaling voxel intensities adopting the whole brain without corpus striatum as the reference. She was diagnosed as probable dementia with Lewy bodies (DLB) based on the cognitive decline, poor attention span (central features), visual hallucination (core feature), and positive DaT scan (suggestive feature).[1] As DaT scan helped the diagnosis fluorodeoxyglucose‐positron, emission tomography scan was not performed.