Abstract:
:Black liver is a common finding in Dubin-Johnson syndrome (DJS), which is caused by the lack of multidrug resistance-associated protein 2 (MRP2). Impaired excretion of epinephrine metabolites is believed to be a cause of black liver in DJS. Recently, we experienced a patient with black liver whose serum bilirubin level was normal. Coarse brown granules were observed in the hepatocytes, and this finding closely resembled that observed in DJS. However, the granules were negative for Schmorl staining. The MRP2 gene did not show any mutation. Immunostaining study demonstrated MRP2 protein expression in the liver, and it was localized in the canalicular membranes of hepatocytes. This case illustrates for the first time that DJS is not the only cause of black liver.
journal_name
J Gastroenteroljournal_title
Journal of gastroenterologyauthors
Kobayashi Y,Ishihara T,Wada M,Kajihara S,Araki J,Mifuji R,Itani T,Kuroda M,Urawa F,Kaito M,Adachi Ydoi
10.1007/s00535-004-1406-xsubject
Has Abstractpub_date
2004-09-01 00:00:00pages
892-5issue
9eissn
0944-1174issn
1435-5922journal_volume
39pub_type
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