{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,16]],"date-time":"2026-07-16T01:42:14Z","timestamp":1784166134629,"version":"3.55.0"},"reference-count":105,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T00:00:00Z","timestamp":1777420800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Diagnostics"],"abstract":"<jats:p>Wilson\u2019s disease (WD) is an autosomal recessive disorder of copper metabolism caused by ATP7B mutations, characterized by hepatic copper accumulation and multisystem involvement. Several rare inherited and acquired conditions can closely mimic WD, posing diagnostic challenges and the risk of inappropriate therapy. By examining neuroimaging patterns and distinguishing between diagnostic criteria, this narrative review provides a comprehensive synthesis of WD-mimicking disorders, emphasizing their molecular mechanisms, clinical phenotypes, and biochemical features. WD-mimicking disorders encompass ATP7A-related neurodegenerations (Menkes disease, occipital horn syndrome, X-linked distal hereditary motor neuropathy), MEDNIK syndrome, Huppke\u2013Brendel syndrome, aceruloplasminemia, congenital disorders of glycosylation, primary familial intrahepatic cholestasis type 3, and acquired copper deficiency syndromes. Mechanisms include systemic copper deficiency, impaired intracellular trafficking, defective ceruloplasmin biosynthesis, secondary hepatic copper accumulation, and abnormal glycosylation. Clinical features range from neurodevelopmental delay, movement disorders, and hepatic dysfunction to dermatologic, hematologic, and connective-tissue abnormalities. Biochemical profiles may overlap with WD, particularly low serum ceruloplasmin and total copper, altered urinary copper excretion, and elevated hepatic copper in some disorders. Neuroimaging and genetic testing provide critical discriminative value. Management is largely supportive, with disease-specific therapies available in selected conditions, such as subcutaneous copper in Menkes disease or monosaccharide supplementation in certain congenital disorders of glycosylation subtypes. Accurate differentiation between WD and WD-mimicking disorders requires careful integration of clinical, biochemical, imaging, and molecular data. Recognition of distinctive features and understanding underlying pathophysiology are essential to avoid misdiagnosis and inappropriate anti-copper therapy, optimize management, and improve patient outcomes.<\/jats:p>","DOI":"10.3390\/diagnostics16091342","type":"journal-article","created":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T15:01:18Z","timestamp":1777474878000},"page":"1342","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Disorders Mimicking Wilson\u2019s Disease: Clinical, Biochemical, and Molecular Perspectives for Accurate Differential Diagnosis"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0755-7309","authenticated-orcid":false,"given":"Agnieszka","family":"Antos","sequence":"first","affiliation":[{"name":"Second Department of Neurology, Institute of Psychiatry and Neurology, 02-957 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4325-8971","authenticated-orcid":false,"given":"Gra\u017cyna","family":"Gromadzka","sequence":"additional","affiliation":[{"name":"Department of Biomedical Sciences, Faculty of Medicine, Collegium Medicum, Cardinal Stefan Wyszynski University, 01-938 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jan Pawe\u0142","family":"Bembenek","sequence":"additional","affiliation":[{"name":"Department of Clinical Neurophysiology, Institute of Psychiatry and Neurology, 02-957 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2670-9651","authenticated-orcid":false,"given":"Tomasz","family":"Litwin","sequence":"additional","affiliation":[{"name":"Department of Neurology, Wolski Hospital, 01-211 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,4,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"European Association for the Study of the Liver (2025). 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