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Dementia due to Wilson disease — Clinical Guidelines

Overview

Wilson disease is a rare genetic disorder characterized by copper accumulation in various organs, including the brain, leading to hepatic, neurologic, and psychiatric manifestations. 1 2

Diagnosis

Clinical features: Progressive movement disorders, Kayser-Fleischer rings, cognitive decline 2

Laboratory tests: Low serum copper, low ceruloplasmin, increased 24-hour urine copper excretion 2

Imaging: Symmetric basal ganglia hyperintensities on T2/FLAIR MRI 2

Differential diagnosis: Consider in cystic fibrosis patients with unexplained liver disease 3

Special considerations: Evaluate for hypercalciuria and nephrolithiasis in pediatric cases 5

Management

First-line treatment: Chelation therapy with D-penicillamine or trientine 1

Copper chelators: Zinc acetate to block intestinal copper absorption 1

Monitoring: Regular assessment of liver function, serum copper, ceruloplasmin, and urine copper levels 1

Early intervention: Critical for better prognosis 2

Tailored approach: Treatment options should be individualized based on patient presentation 2

Special Populations

Pediatrics: Consider Wilson disease in children with nephrolithiasis 5

Comorbidities: Suspect Wilson disease in cystic fibrosis patients with unexplained liver disease 3

Key Recommendations

Initiate immediate diagnostic evaluation and early treatment for neurologic Wilson disease due to copper toxicity 2 (Evidence: Strong)

Perform comprehensive workup including serum copper, ceruloplasmin, and 24-hour urine copper in suspected cases 2 (Evidence: Strong)

Consider Wilson disease in differential diagnoses for cystic fibrosis patients with liver disease 3 (Evidence: Moderate)

References

1 Mariño Z. Recent advances in the diagnosis and management of Wilson's disease. Revista espanola de enfermedades digestivas 2023. link 2 Porlas RV, de Castillo LLC, Dioquino CPC. Neurologic Wilson disease: case series on a diagnostic and therapeutic emergency. Dialogues in clinical neuroscience 2018. link 3 Kotalová R, Jirsa M, Vávrová V, Vrábelová-Pouchlá S, Macek M. Wilson disease as a cause of liver injury in cystic fibrosis. Journal of cystic fibrosis : official journal of the European Cystic Fibrosis Society 2009. link 4 Puchkova LV, Verbina IA, Denezhkina VV, Vakharlovskii VG, Voitsekhovskii BL, Gaitskhoki VS et al.. Molecular forms of ceruloplasmin in hepatolenticular degeneration and their interaction with human erythrocyte ceruloplasmin receptor. Biomedical science 1990. link 5 Azizi E, Eshel G, Aladjem M. Hypercalciuria and nephrolithiasis as a presenting sign in Wilson disease. European journal of pediatrics 1989. link 6 Grosse R. Dermatoglyphic analysis as a diagnostic tool in Wilson disease?. Humangenetik 1975. link

Dementia due to Wilson disease