“…Case 1 was a female first diagnosed at 7½ years of age with platelet of 77×10 9 /L. 3 Her Tg-Ab (131.2 IU/mL, normal <34.0) and TPO-Ab (54.1 IU/mL, normal <12.0) were both elevated. She received intermittent intravenous immunoglobulin during the first 3 years of follow-up, and had since been free from bleeding or treatment.…”