Abstract
Background: Infants of diabetic mothers (IDM) frequently show eosinophilic infiltrates around the pancreatic islets. We review 2 IDM, describe the pancreatic histology and review the literature. Case reports: Two term IDM died at 1 h and 43 days respectively. Both had eosinophilic infiltrates with frequent Charcot Leyden crystals surrounding the primary islets, had occasional eosinophils in these primary islets, but the infiltrate spared the acini and the intralobular islet tissue. There was no necrosis, fibrosis, or vasculitis. From the literature, this has been described as early as 28 weeks gestation, and occasionally was associated with peri-islet fibrosis. Conclusion: This infiltrate occurs antenatally, surrounds the primary islets, spares intralobular islet cells, persists past the neonatal period, and is not uniformly associated with islet or peri-islet injury. As eosinophils contribute to a variety of pancreatic inflammatory conditions, investigation may lead to further insights into the effect of maternal diabetes on the infant.
Published Version
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