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Revista colombiana de Gastroenterología
Print version ISSN 0120-9957On-line version ISSN 2500-7440
Abstract
ACOSTA-PEREZ, Tomás et al. Manganese Associated with Non-Wilsonian Hepatolenticular Degeneration as a Rare Cause of Encephalopathy: Case Report. Rev. colomb. Gastroenterol. [online]. 2023, vol.38, n.4, pp.510-515. Epub Feb 26, 2024. ISSN 0120-9957. https://doi.org/10.22516/25007440.989.
Aim:
To describe the clinical picture, diagnosis, and treatment of a patient with encephalopathy as a manifestation of manganese-induced non-Wilsonian hepatolenticular degeneration (NWHD) in a high-complexity care center in a Latin American country.
Case description:
A 55-year-old male patient from the United States with a history of liver disease associated with alcohol consumption was admitted to the emergency department due to diarrhea, hematemesis, and psychomotor agitation. During his stay, his state of consciousness deteriorated, requiring orotracheal intubation. In his diagnostic study, cerebrospinal fluid tests were negative for infectious etiologies; the endoscopic examinations showed no marks of portal hypertension bleeding, while ammonium and tests for metabolic causes were normal. However, areas of hyperintensity in the basal ganglia were documented on brain MRI, with normal ceruloplasmin serum and urine copper levels, which ruled out Wilson’s disease and determined the diagnosis of manganese-induced NWHD.
Conclusion:
NWHD is a rare cause of chronic encephalopathy with clinical manifestations of extrapyramidal symptoms secondary to basal ganglia dysfunction due to severe liver disease. Its diagnosis becomes a challenge, given that manganese deposits produce it, and no biomarkers can establish the level of exposure to this metal. Brain MRI is indispensable in reflecting these deposits in the basal ganglia.
Keywords : Hepatic encephalopathy; hepatolenticular degeneration; manganese; diagnostic imaging.