Hirotaka Kobayashi

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We describe an extremely rare example of Ewing’s sarcoma (ES)/peripheral primitive neuroectodermal tumour (pPNET) originating from the jugular foramen. The patient was a 10-year-old boy who presented with progressive symptoms due to right lower cranial nerve palsies. Computed tomographic (CT) scan and magnetic resonance imaging (MRI) revealed a tumour at(More)
In the present study, asymmetric surface-active viologens were applied successfully for the thin film formation of organic pigments using the immersion plating technique. The influences of the hydrophobicity of the surfactants and the pH of the plating solution on the film formation were investigated. In addition, the interfacial chemistry and(More)
Beetle samples were compared between catches by traps and those on flowers in a Japanese beech (Fagus crenata Blume) forest, in Minakami, Gunma Prefecture, Japan. White plastic traps (Sankei Chemical Co., Ltd.) equipped with benzyl acetate were set out for a month from July 23 to August 23, 1993, and all beetles captured were collected every six days.(More)
To assess the usefulness of newborn mass screening by ESI-MS/MS in Japan, an acylcarnitine analysis of blood spots on filter paper from collected from newborn infants at the age of 5 days was retrospectively conducted on 18 cases of inherited metabolic diseases that had already been diagnosed. The patients had organic acid disorders in 8 cases, fatty acid(More)
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