ESPE Abstracts

Background: Late-onset ornithine transcarbamylase deficiency (OTCD) is a clinical challenge due to its nonspecific symptoms and the potential for delayed treatment. Hyperammonemia caused by acute metabolism disorder leads to life-threatening encephalopathy. We presented a unique case of OTCD initially manifesting with hyperthyroidism, resulting in refractory hyperammonemia.Case report: A previously healthy 14-year-old Ch...