Publications by authors named "Shin-itsu Hatakeyama"

Background: Eosinophilic gastrointestinal disorders (EGIDs) are disorders characterized by primary eosinophil inflammation in the gastrointestinal tract. There are a small number of reports of eosinophil infiltration in gastrointestinal tracts presenting as EGIDs in infants. In this study, we present Japanese cases of EGIDs in infants.

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Background: Using magnetic resonance imaging (MRI), changes in the livers of postoperative biliary atresia (BA) patients were investigated.

Methods: Periodic MRI was performed in 32 postoperative BA patients. The findings were evaluated by calculating the near-normal liver tissue area that corresponded with normal- or high-signal regions on T1-weighted imaging.

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Objective: Ultrasound (US) has been used as a tool to determine the indication for surgery for neonatal ovarian cysts. The purpose of this study was to investigate whether magnetic resonance imaging (MRI) contributes to optimal management.

Methods: Between 1993 and 2001, US and MRI studies were simultaneously performed on 13 consecutive infants younger than 2 months of age with ovarian cysts.

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Article Synopsis
  • A newborn girl with neuroblastoma experienced severe hypertension, with blood pressure at 200/140 mm Hg and high active renin levels in the renal vein.
  • After initial chemotherapy and two angioplasties to treat constricted renal arteries, she showed some improvement in kidney function, but blood pressure remained elevated.
  • Following radical surgery to remove the neuroblastoma and the right kidney at 8 months old, her blood pressure returned to normal, marking her as one of the youngest documented cases of renovascular hypertension associated with neuroblastoma.
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