Fig. 1From: Genetic testing is necessary for correct diagnosis and treatment in patients with isolated methylmalonic aciduria: a case reportUrinary methylmalonic acid concentration in Patient 1. (a) During metabolic decompensation with prolonged metabolic acidosis at the age of 4 years. The child was treated with cyano-Cbl, 1 mg/day i.m. for 7 days. He was also treated with high-dose energy infusions delivered via a central venous catheter. (b) During the long-term follow-up. Only data from outpatient check-ups were includedBack to article page