Allograft steatosis is a feature of progressive familial intrahepatic cholestasis, type 1 (F1C1 disease), treated by orthotopic liver transplantation (OLTX): G Bhagat, S J Lobritto, J H Lefkowitch, New York Presbyterian Hospital, New York, NY; B Bourke, M McDermott, Children's Research Centre, Our Lady's Hospital, Dublin Ireland; B C Portmann, S S Strautnieks, R J Thompson, Inst of Liver Studies, King's Coll Hosp, London United Kingdom; B B Dahms, Rainbow Babies Children's Hospital, Cleveland, OH; R Jaffe, S A Kocoshis, Children's Hospital of Pittsburgh, Pittsburgh, PA; L N Bull, Univ of California, San Francisco, CA; A S Knisely, Trust of Liver Studies, King's Coll Hosp, London United Kingdom