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Perinatal zinc deficiency
  1. Enrico Valerio1,
  2. Marta Rotella2,
  3. Veronica Mardegan3,
  4. Mario Cutrone4
  1. 1Neonatal Intensive Care Unit, ‘Pietro Cosma’ Hospital, Camposampiero (Padova), Italy
  2. 2Department of Woman and Child Health, University of Padua, Padova, Italy
  3. 3Neonatal Intensive Care Unit, Department of Woman and Child Health, University of Padua, Padova, Italy
  4. 4Pediatric Dermatology Unit, ‘Dell'Angelo’ Hospital, Mestre (Venice), Italy
  1. Correspondence to Dr Enrico Valerio, Neonatal Intensive Care Unit, ‘Pietro Cosma’ Hospital, Via P. Cosma, 1, Camposampiero (Padova) 35012, Italy;{at},{at}

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Case presentation

An ex-preterm, exclusively breastfed baby with poor postnatal growth was evaluated at 5 months of age for perianal erosive dermatitis (figure 1) and foul stools. No other cutaneous involvement was present. Investigations showed mild zinc deficiency (65 μg/dL, range 68–107). Unfortunately, no maternal blood or breast milk zinc levels were available. The dermatitis rapidly improved in six days (figure 2) on oral supplementation with zinc sulfate (2 mg/kg/day), and remained stable on zinc-enriched formula milk, without …

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