Persistent succinylacetone excretion after liver transplantation in a patient with hereditary tyrosinaemia type I

M. Tuchman, D. K. Freese, H. L. Sharp, C. B. Whitley, M. L. Ramnaraine, R. A. Ulstrom, J. S. Najarian, N. Ascher, N. R M Buist, A. B. Terry

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18 Scopus citations

Abstract

A liver transplant was performed on a 4-year-old female in liver failure caused by hereditary tyrosinaemia, with hepatocellular carcinoma following a negative evaluation for metastases. However, serum alpha-fetoprotein levels never returned to normal after the surgery. Urinary succinylacetone (SA) was detected in her urine prior to transplantation despite strict adherence to a low-tyrosine diet. Other patients with severe liver disease awaiting liver transplantation do not excrete SA in the urine. She continued to excrete SA during the postoperative period despite normal liver functions. Oral tyrosine loading resulted in significant elevation of SA excretion. Possible explanations for this observation and clinical and therapeutic relevance are discussed.

Original languageEnglish (US)
Pages (from-to)21-24
Number of pages4
JournalJournal of Inherited Metabolic Disease
Volume8
Issue number1
DOIs
StatePublished - Mar 1 1985

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