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A 13-year-old boy with Hirschsprung's disease complicated with intestinal-cutaneous fistula, short bowel syndrome and malnutrition presented to our hospital after thirst and decrease of urine output for 3 days. He had received primary laparoscopy-assisted endorectal pull-through (LAERPT) for Hirschsprung's disease when he was 4 months old, but he had performed eight more operations for complications, resulting in loss of the majority of small and large bowels. Initial evaluation revealed tachycardia (heart rate, 136 beats per minute), hyponatremia, hypocalcaemia and hypoalbuminaemia (serum sodium 127 mmol/l, calcium 1.6 mmol/l, albumin 19 g/l). Diffuse bullous, pustular skin lesion with weeping desquamation was inspected as well, predominantly located in scalp, hands, feet, skin flexures and periocular, perioral, perianal areas (figure 1). The skin was dry and the eruption was itchy. What is your diagnosis?
The skin lesion was suggestive of zinc deficiency and the serum zinc level was 4.896 µmol/l (normal range: 10.71 – 18.36 µmol/l). Zinc deficiency secondary to reduced intake, mal-absorption and high ostomy output due to short bowel syndrome was suspected. His family refused skin biopsy and the supplement of zinc was initiated. His skin lesion had improved after zinc supplement in addition to his customary replacement for short bowel syndrome, and the diagnosis was established.
Zinc deficiency is rare in Taiwan and is easily neglected. The characteristic skin lesion is indicative of zinc deficiency and a high index of suspicion should be maintained in malnourished children and children with short bowel syndrome.1 Early recognition of zinc deficiency and timely supplement is important for primary healthcare providers.
Zinc deficiency is rare in developed countries. We have to maintain alertness of zinc deficiency in patients with short bowel syndromes.
The skin lesion of zinc deficiency dermatitis is impressive and characteristic, which is indicative of zinc deficiency. Being familiar with this presentation helps us to make an early diagnosis of zinc deficiency.
Competing interests None.
Patient consent Obtained.
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