ArticleEuropean journal of nuclear medicine and molecular imaging2026
Hybrid Tau-PET/MRI study: Quantitative susceptibility mapping in progressive supranuclear palsy and its correlation with Tau-PET.
Article in European journal of nuclear medicine and molecular imaging, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- A frontotemporal dementia-like phenotype in schizophrenia: links to striatal dopamine and iron accumulation.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2026Observational
- Associations of [Journal of nuclear medicine : official publication, Society of Nuclear Medicine · 2026Article
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13 authors.
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Abstract
introductionThe atypical Parkinsonian disorder progressive supranuclear palsy (PSP) forms a diagnostic challenge, resulting in frequent misdiagnosis and delay in treatment. Although structural MRI can detect PSP signs at more advanced stages, emerging diagnostic tools such as tau-PET and quantitative susceptibility mapping (QSM) may allow for earlier detection. This exploratory study aimed to investigate differences in QSM data of patients with PSP and healthy controls (HCs) and for the first time assess possible correlations between QSM and tau-PET data in patients with PSP to explore the relationship between tau aggregation and iron susceptibility. MATERIAL AND
methodsWe retrospectively investigated differences in susceptibility values of brain structures, as assessed by QSM, between 11 HCs and 31 patients with PSP [Richardson's syndrome (PSP-RS): n = 14; other subtypes (PSP-nonRS): n = 17]. Additionally, we examined co-registered [
resultsCompared to HCs, patients with PSP showed higher QSM values in left nucleus caudate (p = 0.04) and bilateral dentate nucleus (p = 0.04, p = 0.01). Patients with the subtype PSP-RS showed higher QSM values than HCs in left dentate nucleus (p = 0.02). The association between the patients' QSM and tau-PET data showed a significant positive correlation.
conclusionThese results suggest distinct patterns of regional iron accumulation in patients with PSP and its subtypes and support an association between iron and tau pathology. The data encourage further investigation in longitudinal studies and validation in larger cohorts to examine the value of QSM as a possible diagnostic biomarker.
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