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1.
T. Urano Y. Shibayama K. Fukunishi K. Nariyama N. Ohsawa 《Virchows Archiv : an international journal of pathology》1996,427(6):607-612
We examined the effect of interruption of pulmonary arterial flow and inadequate ventilation on the development of pulmonary infarction in rats. Pulmonary arterial flow was blocked by the injection of agar into the inferior vena cava and inadequate ventilation was produced by obstructing the left main bronchus with a polypropylene tip. Histological and angiographic examination of the lung demonstrated that: pulmonary artery embolism alone does not induce pulmonary infarction; obstruction of a bronchus does not induce significant changes, but that pulmonary infarction develops when pulmonary artery embolism and obstruction of a bronchus occur simultaneously. It has been thought that pulmonary infarction is caused by acute obstruction of a pulmonary artery, however, the alveolar walls are supplied with oxygen by both the pulmonary circulation and by ventilation. Interruption of pulmonary arterial flow alone is probably not sufficient to induce pulmonary infarction, which is probably caused by deficiency of oxygen supply to the alveolar walls by a synergy between interruption of pulmonary arterial flow and inadequate ventilation. 相似文献
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Isao Fukunishi MD Satoru Saito MD Keizo Fujito PhD 《Child psychiatry and human development》1992,22(3):213-220
Investigation of the Type A Behavior Pattern (TABP) of pre-school children was conducted to determine the influence of the mother-child relationship on the development of TABP. The incidence of TABP was 44.2% (51.7% in boys and 38.7% in girls). The TABP tendency of the boys decreased as the manifest dissension or conflict in the family grew, in marked contrast with the tendency seen in girls, suggesting that conflict in the family can either weaken or reinforce TABP. 相似文献
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A comparison of alexithymia in American and Japanese dialysis patients was performed using the Beth Israel Hospital Questionnaire (BIQ) and the MMPI Alexithymia Scale (MMPI-AS) including structured interviews. No significant differences between the USA and Japan were observed in all dialysis patients with both BIQ and MMPI-AS. However, the alexithymia score in US hemodialysis (HD) patients was significantly lower than that in Japanese HD patients, whereas the alexithymia score in American continuous ambulatory peritoneal dialysis (CAPD) patients was significantly higher than that in Japanese CAPD patients. These results may suggest the possibility that the differences in dialysis policy between USA and Japan have secondary effects on alexithymia, which is one of the psychosomatic factors reflecting self-control ability in dialysis patients. 相似文献
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Ryo Fukunishi 《Pathology international》1973,23(3):639-646
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Hiroshi Mori M.D. Ryo Fukunishi Motohiro Fujii Kohsuke Hataji Tsuneo Shiraishi Keishi Matsumoto 《Virchows Archiv : an international journal of pathology》1978,380(1):1-9
Summary Reinke's crystals in human Leydig cells were analyzed stereologically to assess their functional role. Testicular tissues were taken from seven older men (57–82 years old) with prostatic carcinoma and also from seven younger men (26–38 y.o.) complaining of male infertility. Sections 0.5 m thick, stained with toluidine blue or Heidenhein's iron-hematoxylin were examined by a point-counting method and with a Particle Measurement Computor System (MC). When the patients were grouped by age, the mean crystal volume, the number of crystals per cell, the volume of crystals per cell and the volume ratio of crystals to cell were significantly larger in the older age group than in the younger age group. In particular, the latter three variables correlated well with the age of subjects, with correlation coefficients of r=0.66–0.85. On the other hand, none of these variables had any correlation with the concentration of plasma testosterone. These results indicate that Reinke's crystals can be considered as degenerative products in cell life but not as facultative constituents for testosterone production.Supported in part by a grant from Medical Foundation of Ehime, Japan 相似文献
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Hiroshi Mori Ryuichi Shima Hayao Nakanishi Aichi Yoshida Ryo Fukunishi 《Pathology international》1981,31(4):701-709
A case of adamantinoma of the tibia is reported. A 70-year-old man complained of a painful swelling over the lower front of the right tibia. Roentgenograms showed an oval well-circumscribed, multilocular cystic lesion. Curettage and bone grafting were performed, and 17 months later the patient is in good condition. Microscopically the tumor tissue consisted mainly of epithelial Islands with a palisading at the periphery and a loose reticular pattern in the center of the tumor cell nests, showing a close resemblance to the ameloblastoma of the jaw bones. Electron micrographs revealed the epithelial nature of the tumor cells, i.e., a continuous basal lamina, desmosomes and bundles of microfilaments, probably tonofilaments. One hundred fifty six cases of this peculiar primary skeletal bone tumor previously reported in the literature were reviewed and discussed. 相似文献
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