{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,29]],"date-time":"2026-10-29T09:31:26Z","timestamp":1793266286311,"version":"4.5.0"},"reference-count":43,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T00:00:00Z","timestamp":1778025600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T00:00:00Z","timestamp":1778025600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100002426","name":"Fondazione Telethon","doi-asserted-by":"publisher","award":["GMR23T2153"],"award-info":[{"award-number":["GMR23T2153"]}],"id":[{"id":"10.13039\/501100002426","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003196","name":"Ministero della Salute","doi-asserted-by":"publisher","award":["Ricerca Corrente 2024 MoH"],"award-info":[{"award-number":["Ricerca Corrente 2024 MoH"]}],"id":[{"id":"10.13039\/501100003196","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Neuromuscular Diseases"],"published-print":{"date-parts":[[2026,11]]},"abstract":"<jats:p>\n                    Charcot-Marie-tooth disease type 4D (CMT4D) is an early-onset, severe autosomal recessive demyelinating neuropathy, caused by mutations in the N-myc downstream-regulated gene 1 (\n                    <jats:italic toggle=\"yes\">NDRG1<\/jats:italic>\n                    ). Because of its rarity and predominance among specific ethnic groups, clinical knowledge remains limited. We report the case of two siblings of Romani ancestry, a 38-year-old man and a 40-year-old woman, with homozygous NM_006096.4:c.442C\u2009&gt;\u2009T, p.(Arg148*) variant, and provide a review of the current literature.\n                  <\/jats:p>\n                  <jats:p>Both patients presented with severe distal-proximal sensorimotor neuropathy, muscle weakness and atrophy, generalized areflexia, and sensorineural deafness typical of CMT4D. Notably, they exhibited previously unreported features including severe dysphagia requiring PEG tube placement, bilateral vocal cord paralysis causing respiratory insufficiency necessitating non-invasive ventilation, and cognitive delay. Visual system involvement was demonstrated through abnormal visual evoked potentials with reduced P100 amplitude and absent responses, expanding the recognized phenotypic spectrum.<\/jats:p>\n                  <jats:p>\n                    Our systematic literature review identified 26 articles describing 72 patients with CMT4D. Twenty-two pathogenic\n                    <jats:italic toggle=\"yes\">NDRG1<\/jats:italic>\n                    variants were documented, with p.(Arg148*) being most frequent (64% of patients), predominantly in Roma populations. The median age of onset was 7 years, 96% of patients presented with lower limb involvement and all presented skeletal deformities were universal, including pes cavus (67%), claw hand (40%), and scoliosis (33%). Hearing impairment affected 61% of patients, while visual system involvement occurred in 17%.\n                  <\/jats:p>\n                  <jats:p>This study expands the clinical spectrum of CMT4D by documenting novel manifestations including severe bulbar dysfunction and respiratory involvement. These findings emphasize the importance of comprehensive assessment including swallowing evaluation, vocal cord examination, and pulmonary function testing in CMT4D patients, potentially impacting clinical management and prognosis.<\/jats:p>","DOI":"10.1177\/22143602261438536","type":"journal-article","created":{"date-parts":[[2026,5,6]],"date-time":"2026-05-06T13:31:07Z","timestamp":1778074267000},"page":"1546-1556","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Clinical and pathological findings in two Italian siblings of Romani ancestry with charcot-marie-tooth type 4D and review of the current literature"],"prefix":"10.1177","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0797-8282","authenticated-orcid":false,"given":"Elena","family":"Abati","sequence":"first","affiliation":[{"name":"University of Milan"},{"name":"Neurology Unit, Fondazione IRCCS Ca\u2019 Granda Ospedale Maggiore 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