{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T07:11:04Z","timestamp":1778137864692,"version":"3.51.4"},"reference-count":14,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T00:00:00Z","timestamp":1777593600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T00:00:00Z","timestamp":1777593600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2026,3,20]],"date-time":"2026-03-20T00:00:00Z","timestamp":1773964800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Foundation for Science and Technology","doi-asserted-by":"publisher","award":["UIDB\/04152"],"award-info":[{"award-number":["UIDB\/04152"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100005855","name":"Universidade Nova de Lisboa","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100005855","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","prd-journal.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Parkinsonism &amp; Related Disorders"],"published-print":{"date-parts":[[2026,5]]},"DOI":"10.1016\/j.parkreldis.2026.108291","type":"journal-article","created":{"date-parts":[[2026,3,20]],"date-time":"2026-03-20T15:43:02Z","timestamp":1774021382000},"page":"108291","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"special_numbering":"C","title":["Lower body parkinsonism: rethinking MRI planimetry"],"prefix":"10.1016","volume":"146","author":[{"given":"Constan\u00e7a","family":"Jalles","sequence":"first","affiliation":[]},{"given":"Rita M.","family":"Sim\u00f5es","sequence":"additional","affiliation":[]},{"given":"Berfin","family":"Sakallioglu","sequence":"additional","affiliation":[]},{"given":"Leonardo","family":"Vanneschi","sequence":"additional","affiliation":[]},{"given":"Joaquim J.","family":"Ferreira","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8822-3166","authenticated-orcid":false,"given":"Sofia","family":"Reim\u00e3o","sequence":"additional","affiliation":[]}],"member":"78","reference":[{"key":"10.1016\/j.parkreldis.2026.108291_bib1","article-title":"Hypokinetic-rigid gait disorders with balance impairment - a walk through clinical and pathophysiological definitions","volume":"133","author":"Jalles","year":"2025","journal-title":"Parkinsonism Relat. Disorders"},{"key":"10.1016\/j.parkreldis.2026.108291_bib2","doi-asserted-by":"crossref","first-page":"87","DOI":"10.1016\/j.parkreldis.2020.11.019","article-title":"Diagnostic accuracy of MR planimetry in clinically unclassifiable parkinsonism","volume":"82","author":"Heim","year":"2021","journal-title":"Parkinsonism Relat. Disorders"},{"issue":"7","key":"10.1016\/j.parkreldis.2026.108291_bib3","doi-asserted-by":"crossref","DOI":"10.3390\/brainsci12070949","article-title":"Magnetic resonance planimetry in the differential diagnosis between Parkinson's disease and progressive supranuclear palsy","volume":"12","author":"Quattrone","year":"2022","journal-title":"Brain Sci."},{"issue":"6","key":"10.1016\/j.parkreldis.2026.108291_bib4","doi-asserted-by":"crossref","first-page":"853","DOI":"10.1002\/mds.26987","article-title":"Clinical diagnosis of progressive supranuclear palsy: the movement disorder society criteria","volume":"32","author":"H\u00f6glinger","year":"2017","journal-title":"Mov. Disord."},{"issue":"4","key":"10.1016\/j.parkreldis.2026.108291_bib5","doi-asserted-by":"crossref","first-page":"627","DOI":"10.1007\/s10072-017-2812-1","article-title":"MRI measurements of brainstem structures in patients with vascular parkinsonism, progressive supranuclear palsy, and Parkinson's disease","volume":"38","author":"Kim","year":"2017","journal-title":"Neurol. Sci."},{"issue":"4","key":"10.1016\/j.parkreldis.2026.108291_bib6","doi-asserted-by":"crossref","first-page":"591","DOI":"10.1007\/s10072-016-2489-x","article-title":"Magnetic resonance parkinsonism index in progressive supranuclear palsy and vascular parkinsonism","volume":"37","author":"Mostile","year":"2016","journal-title":"Neurol. Sci."},{"issue":"12","key":"10.1016\/j.parkreldis.2026.108291_bib7","doi-asserted-by":"crossref","first-page":"1657","DOI":"10.1007\/s00234-020-02500-1","article-title":"Magnetic resonance parkinsonism indices and interpeduncular angle in idiopathic normal pressure hydrocephalus and progressive supranuclear palsy","volume":"62","author":"Ugga","year":"2020","journal-title":"Neuroradiology"},{"issue":"1","key":"10.1016\/j.parkreldis.2026.108291_bib8","doi-asserted-by":"crossref","first-page":"90","DOI":"10.1111\/jon.12932","article-title":"Midbrain area and the hummingbird sign from brain MRI in progressive supranuclear palsy and idiopathic normal pressure hydrocephalus","volume":"32","author":"Virhammar","year":"2022","journal-title":"J. Neuroimaging"},{"issue":"11","key":"10.1016\/j.parkreldis.2026.108291_bib9","doi-asserted-by":"crossref","first-page":"775","DOI":"10.2176\/nmc.52.775","article-title":"Guidelines for management of idiopathic normal pressure hydrocephalus: second edition","volume":"52","author":"Mori","year":"2012","journal-title":"Neurol. Med.-Chir."},{"issue":"6","key":"10.1016\/j.parkreldis.2026.108291_bib10","doi-asserted-by":"crossref","first-page":"630","DOI":"10.1002\/mds.20083","article-title":"Clinicopathological investigation of vascular parkinsonism, including clinical criteria for diagnosis","volume":"19","author":"Zijlmans","year":"2004","journal-title":"Mov. Disord."},{"issue":"12","key":"10.1016\/j.parkreldis.2026.108291_bib11","doi-asserted-by":"crossref","first-page":"1591","DOI":"10.1002\/mds.26424","article-title":"MDS clinical diagnostic criteria for parkinson's disease","volume":"30","author":"Postuma","year":"2015","journal-title":"Mov. Disord."},{"issue":"10","key":"10.1016\/j.parkreldis.2026.108291_bib12","doi-asserted-by":"crossref","first-page":"1745","DOI":"10.1002\/mds.28204","article-title":"A standardized MR imaging protocol for parkinsonism","volume":"35","author":"Reim\u00e3o","year":"2020","journal-title":"Mov. Disord."},{"issue":"6","key":"10.1016\/j.parkreldis.2026.108291_bib13","doi-asserted-by":"crossref","first-page":"1272","DOI":"10.1002\/mds.28992","article-title":"Development and validation of automated magnetic resonance parkinsonism index 2.0 to Distinguish progressive supranuclear palsy-parkinsonism from Parkinson's disease","volume":"37","author":"Quattrone","year":"2022","journal-title":"Mov. Disord."},{"issue":"10","key":"10.1016\/j.parkreldis.2026.108291_bib14","doi-asserted-by":"crossref","first-page":"2701","DOI":"10.3390\/jcm11102701","article-title":"Is MRPI 2.0 more useful than MRPI and M\/P ratio in differential diagnosis of PSP-P with other atypical parkinsonisms?","volume":"11","author":"Madetko","year":"2022","journal-title":"J. Clin. Med."}],"container-title":["Parkinsonism &amp; Related Disorders"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1353802026001185?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1353802026001185?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T06:22:38Z","timestamp":1778134958000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1353802026001185"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,5]]},"references-count":14,"alternative-id":["S1353802026001185"],"URL":"https:\/\/doi.org\/10.1016\/j.parkreldis.2026.108291","relation":{},"ISSN":["1353-8020"],"issn-type":[{"value":"1353-8020","type":"print"}],"subject":[],"published":{"date-parts":[[2026,5]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Lower body parkinsonism: rethinking MRI planimetry","name":"articletitle","label":"Article Title"},{"value":"Parkinsonism & Related Disorders","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.parkreldis.2026.108291","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 The Authors. Published by Elsevier Ltd.","name":"copyright","label":"Copyright"}],"article-number":"108291"}}