A NEWS of 3 or more at ED triage may be the trigger to systematically screen the patient for SS, which may ultimately lead to early recognition and treatment.

We have studied a patient, unrelated to the patients previously described, with inherited lack of the vitamin B12 binding protein Transcobalamin II. Severe haematological abnormalities were found within a few weeks of birth and responded to treatment with both vitamin B12 and folic acid. He was maintained in partial remission with such treatment until adolescence, except for a time in early childhood when folic acid alone was given and he suffered severe neurological deterioration. A the age of 18 years he was admitted to hospital because of convulsions; the deoxyuridine suppression test showed intracellular deficiency of B12 despite a normal serum B12 and normal haemoglobin concentration. His serum failed to promote the uptake of radioactive B12 by bone marrow cells, and analysis of serum B12 binding proteins demonstrated the lack of Transcobalamin II. Treatment with injections of 1000 micrograms of B12 three times weekly corrected the abnormality shown in the deoxyuridine suppression test; following this treatment, together with changes in anticonvulsive therapy, he remains healthy without occurrence of further convulsions, and is haematologically normal.

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