Fortified soybean formula (Isomil) was introduced one month before admission.Vitamin D deficiency rickets was diagnosed by a history of inappropriate feeding, roentgenographic and laboratory findings.

• 病史发现此幼儿因自幼诊断为食物过敏引发异位性皮肤炎，因此给予限制各种食物摄取，仅喂以豆浆、稀饭为主食物，就医前1个月才开始给予配方豆奶。