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Adenomyomatosis of the gallbladder (AMG) is characterized by mucosal hyperplasia leading to invagination through the thickened muscle layer, which is relatively common in adults, but is rare in childhood. We report a 12-year-old boy with adenomyomatosis of the gallbladder combined segmental and fundal type. This combined type is rare in adults and is first reported here in childhood. Although initial imaging with computed tomography (CT) suggested the presence of a circular solid mass-like lesion because of its rare morphology, repeated ultrasonography (US) was useful for leading to a correct diagnosis.

Because the role of eosinophils in neonates is not well understood, the clinical significance of eosinophilia in neonates is unclear. We encountered a rare case of cow's milk allergy in a premature male infant with severe eosinophilia in the neonatal period. The peripheral blood eosinophil count in this infant was 7,404/μL at birth, and he produced stools with fresh blood immediately after birth and prior to the first feedings with regular cow's milk. Although the patient's eosinophil count normalized without specific treatment within 6 weeks after birth, it is possible that the causes of the eosinophilia in this infant prior to the first feedings with regular cow's milk were different from those after the first feedings. Cow's milk allergy was diagnosed on the basis of the patient's positivity for this allergy in the challenge test and subsequent allergen-specific lymphocyte stimulation test performed at 6 months of age.

To examine the neurodevelopmental outcomes of children with periventricular leukomalacia (PVL). Materials and methods: Twenty-five children diagnosed with grade 1, 2 or 3 PVL on the basis of magnetic resonance imaging (MRI) findings between January 2002 and December 2011 were enrolled and followed from 15 months to 10 years of age. Results: Of the 25 children, one was a term and 24 were preterm-births. Nine (36%) had spastic diplegia and 12 (48%) had quadriplegia. Ten of the 25 (40%) were able to walk independently at 36 months utilizing short leg braces, whereas 13 children (52%) were unable to walk independently. MRI findings revealed grade 1 PVL in nine (36%), grade 2 in 12 (48%), and grade 3 in four (16%) of the 25 children. Eleven of the 16 children (69%) with grade 2 or 3 PVL had Papile III or IV intraventricular hemorrhage (IVH), and many of these children had severe neurologic motor abnormalities, severe psychomotor delay, and seizures. Five of the nine children (56%) with grade 1 PVL had normal psychomotor development. There were statistically significant differences in the motor impairment and walking ability between the children with grade 1 and those with grade 2 PVL (p = 0.008 and 0.005, respectively). Conclusion: Most children with grade 2 or 3 PVL had severe neurodevelopmental delays, but attention should also be paid to the 56% of children with grade 1 PVL who presented with normal psychomotor development. Further studies of larger populations, including long-term follow-up, are necessary to evaluate the outcomes of children with PVL.