case_images: PMC6449416_01
case_images: PMC6449416_02
case_images: PMC6449416_03
case_images: Fenton preterm growth chart, showing weight catchup. Birth weight = 1.39 Kg, between 36-37 weeks = 2.2 Kg, between 41-42 weeks = 2.35 Kg, and at 44 weeks = 2.8 Kg.
case_images: fped-07-00069-g0002.jpg
case_images: PMC6449416_03_fped-07-00069-g0002.jpg
case_images: F2
case_images: The patient was started on a Tyr-free formula (Tyr-Anamix-Infant SHS, UK), and frequent follow ups revealed a decrease in the Tyrosine level to 16 mumol/L (Normal: 55-147 mumol/L) after 30 days of initiating the special formula, and a subsequent decrease in bilirubin (T/D) to 5/2 mg/dL (Table 1) as well as some weight gain, reaching 2.8 Kg (Figure 2) after 45 days.