<prompt> Answer this question truthfullyWhat are the other diagnostic studies available for Wilsons disease?  <response>: <reason> Liver biopsy is performed in suspected cases of Wilsons disease. Histological examination of a liver biopsy may show the following: Mild steatosis which is considered an early histological feature Glycogenated hepatic nuclei Autoimmune hepatitis histologic features Fibrosis and cirrhosis macronodular or micronodular in advanced cases Fulminant liver failure features which include: Hepatocellular degeneration Parenchymal collapseGenetic testing is recommended for the diagnosis of Wilsons disease. Haplotypes pedigree analysis among the family members can be performed to obtain the family history of Wilsons disease. Prenatal genetic testing is also required for early diagnosis of Wilsons disease. 