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727 Wilson’S Disease: A Challenging Diagnosis. Clinical Manifestations and Diagnostic Procedures in 32 Patients
  1. CM Mihai
  1. Pediatric, Faculty of Medicine of Constanta, Constanta, Romania

Abstract

Introduction Wilson disease is a neurodegenerative disease of copper metabolism. The genetic defect, localized to chromosome arm 13q, has been shown to affect the copper-transporting adenosine triphosphatase (ATPase) gene (ATP7B) in the liver.

Material and Methods Our aim was to study the clinical and laboratory characteristics of 32 children and young adults diagnosed with WD and point out the diagnostic difficulties. The study was done between 2001 and 2011. Evaluation included detailed physical examination, conventional laboratory testing, genetic analysis, and liver biopsy.

Results Patients with hepatic symptoms showed a considerably earlier onset of symptoms and a shorter diagnostic delay before definitive diagnosis than those with neuropsychiatric symptoms. The mean age at diagnosis was 9.12 +/- 2.59 years (range 5 years-20 years). 30 patients were symptomatic, 18 were referred because of abnormal liver function test results and/or hepatomegaly, 12 had neuropsychiatric symptoms and 2 received their diagnoses after family screening. Hepatic copper concentration was between 250 and 1200 microg/g. 12 patients had liver cirrhosis, 16 chronic hepatitis, and 2 had massive hepatic necrosis on necropsy.

Conclusions Any person with recurrent hepatic disease and unexplained neurologic symptoms should be investigated to have Wilson’s disease. Detection of WD in children and young adults remains very difficult. The most important investigation is liver biopsy with the assessment of liver copper. Genetic analysis may help in doubtful cases.

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