J Korean Soc Neonatol.
2011 Nov;18(2):383-386. 10.5385/jksn.2011.18.2.383.
A Case of Acrodermatitis Enteropathica with Normal Serum Zinc Level in a Breastfed Preterm Infant
- Affiliations
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- 1Department of Pediatrics, College of Medicine, Korea University, Seoul, Korea. leejmd@chol.com
- 2Department of Dermatology, College of Medicine, Korea University, Seoul, Korea.
- 3Department of Pediatrics, Ajou University School of Medicine, Suwon, Korea.
- KMID: 2099218
- DOI: http://doi.org/10.5385/jksn.2011.18.2.383
Abstract
- Acrodermatitis enteropathica due to zinc deficiency is characterized by periorificial dermatitis, alopecia, and intractable diarrhea. Here we report a case of transient acrodermatitis enteropathica in a 2-month-old preterm infant, whose skin is erythematous, scaly, eczematous, with an eruption starting from the periorificial area. While her serum zinc level was normal at 118.2 ug/dL, the serum alkaline phosphatase level was low at 48 IU/L and the serum alkaline phosphatase level get increased concordant with clinical improvement after zinc supplementation. Hence, this case shows that the diagnosis of zinc deficiency can be aided with a low level of serum alkaline phoaphatase although serum zinc level is normal.
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