Ｐｏｉｎｔ　Ｃｏｕｎｔ法を用いた糖尿病妊婦胎盤の病理組織学的検討

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タイトル別名
  • The Point Count Method of Histopathological Examination of Diabetic Placentas
  • Point Countホウ オ モチイタ トウニョウビョウ ニンプ タイバン

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Placental insufficiency has been considered a cause of intrauterine fetal death in diabetics during pregnancy. The purpose of the present study was to investigate the histopathological changes occurring in diabetic placentas. We examined the terminal villous system of 20 diabetic placentas by the point count method and assessed the characteristics of the diabetic placentas.<BR>The percentage of villous area and syncytial knotting in the terminal villous system of the placentas was significantly higher in the diabetic group than in the control group. The percentage of trophoblasts in the terminal villous system of the placentas was significantly lower in the diabetic group than in the control group. The percentage of intervillous fibrin deposits in the terminal villous system of the placentas was not significantly different between the two groups. The ratio of the percentage of trophoblasts to syncytial knotting was significantly lower in the diabetic group than in the control group. The percentages of villous area, trophoblasts and intervillous fibrin deposits in the placentas were not significantly different between the group with diabetic retinopathy and those without diabetic retinopathy. However, the percentage of syncytial knotting in the placentas of maternal diabetics with retinopathy was significantly higher than in those without. It was found that the placentas of maternal diabetics already showed histopathological changes leading to placental insufficiency before its clinicl symptoms actually developed.

収録刊行物

  • 糖尿病

    糖尿病 25 (8), 899-907, 1982

    一般社団法人 日本糖尿病学会

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