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Persistent tyrosinemia detected by thin-layer chromatography
1Nobel RIE Laboratory, Neonatal Screening Center, Rurto Alegre, RS, Brazil.
Abstract:
Screening for tyrosinemia is not routinely performed worldwide. Using a low expense thin-layer chromatography (TLC) for amino acids we detected a high frequency of transient tyrosinemia with secondary hyperphenylalaninemia in some newborns. Serum follow up showed the need to introduce adequate therapy in these babies.