A 2-year-old twin boy with pancytopenia caused due to nutritional cobalamin deficiency

Affiliations

• ¹ Department of Pediatrics, Shuang Ho Hospital, Ministry of Health and Welfare, Taipei Medical University, New Taipei, Taiwan; Department of Pediatrics, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; Taipei Cancer Center, Taipei Medical University, Taipei, Taiwan.
• ² Department of Pediatrics, Shuang Ho Hospital, Ministry of Health and Welfare, Taipei Medical University, New Taipei, Taiwan; Department of Pediatrics, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
• ³ Department of Pediatrics, Taipei Tzu Chi Hospital, Xindian, New Taipei, Taiwan; Department of Pediatrics, School of Medicine, College of Medicine, Tzu Chi University, Hualien, Taiwan.
• ⁴ Department of Pediatrics, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; Taipei Cancer Center, Taipei Medical University, Taipei, Taiwan; Department of Pediatrics, Taipei Medical University Hospital, Taipei, Taiwan. Electronic address: ylliu@tmu.edu.tw.
• ⁵ Taipei Cancer Center, Taipei Medical University, Taipei, Taiwan; College of Medical Sciences and Technology, Taipei Medical University, Taipei, Taiwan.