Riki Okeda

Summary

Affiliation: Tokyo Medical and Dental University
Country: Japan

Publications

  1. ncbi request reprint Arterial changes in cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) in relation to pathogenesis of diffuse myelin loss of cerebral white matter: examination of cerebral medullary arteries by reconstruct
    Riki Okeda
    Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
    Stroke 33:2565-9. 2002
  2. ncbi request reprint Concept and pathogenesis of "hypoxic-ischemic encephalopathy"
    R Okeda
    Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
    Acta Neurochir Suppl 86:3-6. 2003
  3. ncbi request reprint Influence of experimental chronic hypertension on the cerebral and renal arteries of wild cats
    Riki Okeda
    Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
    Neuropathology 23:188-94. 2003
  4. ncbi request reprint Neuropathology of delayed encephalopathy in cats induced by heavy-ion irradiation
    Riki Okeda
    Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
    J Radiat Res 44:345-52. 2003
  5. ncbi request reprint Checkpoints and pitfalls in the experimental neuropathology of circulatory disturbance
    Toshihiko Kuroiwa
    Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
    Neuropathology 23:79-89. 2003
  6. ncbi request reprint Pathology of the cerebral artery in Binswanger's disease in the aged: observation by serial sections and morphometry of the cerebral arteries
    Riki Okeda
    Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
    Neuropathology 24:21-9. 2004
  7. ncbi request reprint Pathological changes in the cerebral medullary arteries of five autopsy cases of malignant nephrosclerosis: observation by morphometry and reconstruction of serial sections
    Riki Okeda
    Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
    Neuropathology 23:153-60. 2003
  8. ncbi request reprint Neurological dysfunctions versus regional infarction volume after focal ischemia in Mongolian gerbils
    Satoru Ishibashi
    Department of Neurology and Neurological Science, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
    Stroke 34:1501-6. 2003
  9. ncbi request reprint Neuropathological study of the role of mast cells and histamine-positive neurons in selective vulnerability of the thalamus and inferior colliculus in thiamine-deficient encephalopathy
    Jin Song Meng
    Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
    Neuropathology 23:25-35. 2003
  10. ncbi request reprint An autopsy case of drug-induced diffuse cerebral axonopathic leukoencephalopathy: the pathogenesis in relation to reversible posterior leukoencephalopathy syndrome
    Riki Okeda
    Department of Pathology, Kawasaki Saiwai Hospital, Kawasaki shi, Kanagawa Ken, Japan
    Neuropathology 27:364-70. 2007

Collaborators

Detail Information

Publications10

  1. ncbi request reprint Arterial changes in cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) in relation to pathogenesis of diffuse myelin loss of cerebral white matter: examination of cerebral medullary arteries by reconstruct
    Riki Okeda
    Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
    Stroke 33:2565-9. 2002
    ..We sought to examine the precise extent and severity of changes in the cerebral arteries in an autopsy case of CADASIL in relation to pathogenesis of the diffuse myelin loss...
  2. ncbi request reprint Concept and pathogenesis of "hypoxic-ischemic encephalopathy"
    R Okeda
    Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
    Acta Neurochir Suppl 86:3-6. 2003
    ..This state seems to be a failure of compromise between the cardiovascular system and the brain parenchyma...
  3. ncbi request reprint Influence of experimental chronic hypertension on the cerebral and renal arteries of wild cats
    Riki Okeda
    Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
    Neuropathology 23:188-94. 2003
    ..These findings suggest that the arachnoid and medullary arteries are relatively well protected from HT, and that this may be characteristic of cerebral arteries in general and ascribed to autoregulation...
  4. ncbi request reprint Neuropathology of delayed encephalopathy in cats induced by heavy-ion irradiation
    Riki Okeda
    Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
    J Radiat Res 44:345-52. 2003
    ..The left cerebral hemispheres were irradiated with 15-40 Gy of heavy ions (carbon), and histologically and morphometrically examined 12 months later...
  5. ncbi request reprint Checkpoints and pitfalls in the experimental neuropathology of circulatory disturbance
    Toshihiko Kuroiwa
    Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
    Neuropathology 23:79-89. 2003
    ..Regional analysis of each brain structure and coordination of the results with the apparent neurological dysfunction is a promising approach...
  6. ncbi request reprint Pathology of the cerebral artery in Binswanger's disease in the aged: observation by serial sections and morphometry of the cerebral arteries
    Riki Okeda
    Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
    Neuropathology 24:21-9. 2004
    ..As the mechanism of such an especially severe involvement of the cerebral medullary artery in BD, some genetic abnormality in the functional response or vulnerability to hypertension of the artery should be considered...
  7. ncbi request reprint Pathological changes in the cerebral medullary arteries of five autopsy cases of malignant nephrosclerosis: observation by morphometry and reconstruction of serial sections
    Riki Okeda
    Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
    Neuropathology 23:153-60. 2003
    ..Therefore, the cerebral medullary artery seems to be protected from HT, yet it is involved in a case of severe and long-standing HT inducing an extreme cardiomegaly...
  8. ncbi request reprint Neurological dysfunctions versus regional infarction volume after focal ischemia in Mongolian gerbils
    Satoru Ishibashi
    Department of Neurology and Neurological Science, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
    Stroke 34:1501-6. 2003
    ..Our aim was to test long-term behavioral dysfunction in gerbils after focal ischemia and to correlate the results with the regional distribution of infarction in the coordinating cortical regions...
  9. ncbi request reprint Neuropathological study of the role of mast cells and histamine-positive neurons in selective vulnerability of the thalamus and inferior colliculus in thiamine-deficient encephalopathy
    Jin Song Meng
    Department of Neuropathology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
    Neuropathology 23:25-35. 2003
    ..Findings in the present study suggest that the spongy change is a primary event, and vascular changes are secondary...
  10. ncbi request reprint An autopsy case of drug-induced diffuse cerebral axonopathic leukoencephalopathy: the pathogenesis in relation to reversible posterior leukoencephalopathy syndrome
    Riki Okeda
    Department of Pathology, Kawasaki Saiwai Hospital, Kawasaki shi, Kanagawa Ken, Japan
    Neuropathology 27:364-70. 2007
    ....