Kenichiro Asano

Summary

Affiliation: Hirosaki University School of Medicine
Country: Japan

Publications

  1. ncbi request reprint Pineal region tumor manifesting initially as hearing impairment
    Md Shafiqul Islam
    Department of Neurosurgery, Hirosaki University School of Medicine, Aomori, Japan
    Neurol Med Chir (Tokyo) 42:301-4. 2002
  2. ncbi request reprint Apoptosis of auditory neurons following central process injury
    Tetsuji Sekiya
    Neurosurgery Department, Hirosaki University School of Medicine, Hirosaki 036 8216, Japan
    Exp Neurol 184:648-58. 2003
  3. doi request reprint Case of pleomorphic xanthoastrocytoma with anaplastic features in the pineal gland
    Kosuke Katayama
    Department of Neurosurgery, Hirosaki University Graduate School of Medicine, Zaifu cho 5, Hirosaki, Aomori, 036 8562, Japan
    Brain Tumor Pathol 30:242-6. 2013
  4. ncbi request reprint A case of anaplastic pleomorphic xanthoastrocytoma presenting with tumor bleeding and cerebrospinal fluid dissemination
    Kenichiro Asano
    Department of Neurosurgery, Hirosaki University School of Medicine, Hirosaki, Aomori, 036 8562, Japan
    Brain Tumor Pathol 23:55-63. 2006
  5. doi request reprint Correlation of MIB-1 staining index and (201)Tl-SPECT retention index in preoperative evaluation of malignancy of brain tumors
    Kenichiro Asano
    Department of Neurosurgery, Hirosaki University Graduate School of Medicine, 5 Zaifu cho, Hirosaki, Aomori 036 8562, Japan
    Brain Tumor Pathol 27:1-6. 2010
  6. doi request reprint Treatment outcomes in glioblastoma patients aged 76 years or older: a multicenter retrospective cohort study
    Takeo Uzuka
    Department of Neurosurgery, Niigata Cancer Center Hospital, 2 15 3 Kawagishi chou, Chuo Ku, Niigata, 951 8566, Japan
    J Neurooncol 116:299-306. 2014
  7. ncbi request reprint An infant case of intracranial peripheral-type primitive neuroectodermal tumor with long-term survival
    Kenichiro Asano
    Department of Neurosurgery, Hirosaki University, School of Medicine, Zaifu cho 5, Hirosaki, Aomori 036 8562, Japan
    Brain Tumor Pathol 24:69-74. 2007
  8. ncbi request reprint Correlation of N-cadherin expression in high grade gliomas with tissue invasion
    Kenichiro Asano
    Department of Neurosurgery, The University of Tennessee Health Science Center, Memphis, TN, USA
    J Neurooncol 70:3-15. 2004
  9. doi request reprint Long-term tumor-free survival case of congenital embryonal tumor with various pathological components
    Junko Sato
    Department of Neurosurgery, Hirosaki University School of Medicine, 5 Zaihuchou, Hirosaki, Aomori, Japan
    Childs Nerv Syst 29:921-6. 2013
  10. doi request reprint A case of anaplastic clear-cell ependymoma presenting with high erythropoietin concentration and 1p/19q deletions
    Kenichiro Asano
    Department of Neurosurgery, Hirosaki University Graduate School of Medicine, Zaifu cho 5, Hirosaki, Aomori 036 8562, Japan
    Brain Tumor Pathol 28:317-27. 2011

Collaborators

Detail Information

Publications18

  1. ncbi request reprint Pineal region tumor manifesting initially as hearing impairment
    Md Shafiqul Islam
    Department of Neurosurgery, Hirosaki University School of Medicine, Aomori, Japan
    Neurol Med Chir (Tokyo) 42:301-4. 2002
    ..Hydrocephalus caused conductive deafness by halting or arresting the footplate of stapes movement, as a consequence of high-pressure transmission through the cochlear aqueduct...
  2. ncbi request reprint Apoptosis of auditory neurons following central process injury
    Tetsuji Sekiya
    Neurosurgery Department, Hirosaki University School of Medicine, Hirosaki 036 8216, Japan
    Exp Neurol 184:648-58. 2003
    ..The results of our present study should be useful in determining the therapeutic time window for rescuing auditory neurons undergoing apoptosis due to injury during surgery in the CP angle...
  3. doi request reprint Case of pleomorphic xanthoastrocytoma with anaplastic features in the pineal gland
    Kosuke Katayama
    Department of Neurosurgery, Hirosaki University Graduate School of Medicine, Zaifu cho 5, Hirosaki, Aomori, 036 8562, Japan
    Brain Tumor Pathol 30:242-6. 2013
    ..Different types of tumor have been reported in the pineal gland, but pleomorphic xanthoastrocytoma (PXA) in this region is extremely rare...
  4. ncbi request reprint A case of anaplastic pleomorphic xanthoastrocytoma presenting with tumor bleeding and cerebrospinal fluid dissemination
    Kenichiro Asano
    Department of Neurosurgery, Hirosaki University School of Medicine, Hirosaki, Aomori, 036 8562, Japan
    Brain Tumor Pathol 23:55-63. 2006
    ..We thus believe that the patient displayed primary anaplastic PXA rather than secondary anaplastic PXA that results in malignant transformation...
  5. doi request reprint Correlation of MIB-1 staining index and (201)Tl-SPECT retention index in preoperative evaluation of malignancy of brain tumors
    Kenichiro Asano
    Department of Neurosurgery, Hirosaki University Graduate School of Medicine, 5 Zaifu cho, Hirosaki, Aomori 036 8562, Japan
    Brain Tumor Pathol 27:1-6. 2010
    ..RI values may also be useful for evaluating apparently benign extraaxial tumors for possible malignancy...
  6. doi request reprint Treatment outcomes in glioblastoma patients aged 76 years or older: a multicenter retrospective cohort study
    Takeo Uzuka
    Department of Neurosurgery, Niigata Cancer Center Hospital, 2 15 3 Kawagishi chou, Chuo Ku, Niigata, 951 8566, Japan
    J Neurooncol 116:299-306. 2014
    ..25-0.784, p < 0.001).The findings of this study suggest that postoperative KPS score is an important prognostic factor for glioblastoma patients aged ≥76 years, and that these patients may benefit from temozolomide therapy. ..
  7. ncbi request reprint An infant case of intracranial peripheral-type primitive neuroectodermal tumor with long-term survival
    Kenichiro Asano
    Department of Neurosurgery, Hirosaki University, School of Medicine, Zaifu cho 5, Hirosaki, Aomori 036 8562, Japan
    Brain Tumor Pathol 24:69-74. 2007
    ..For this reason, treatment should consist of surgical excision that is as complete as possible, followed by appropriate radiotherapy and chemotherapy. This approach can be expected to result in the patient's long-term survival...
  8. ncbi request reprint Correlation of N-cadherin expression in high grade gliomas with tissue invasion
    Kenichiro Asano
    Department of Neurosurgery, The University of Tennessee Health Science Center, Memphis, TN, USA
    J Neurooncol 70:3-15. 2004
    ..In summary, these data collectively demonstrate that N-cadherin levels are important in the malignant behavior of gliomas, and may serve as a prognostic indicator for patients with high-grade gliomas...
  9. doi request reprint Long-term tumor-free survival case of congenital embryonal tumor with various pathological components
    Junko Sato
    Department of Neurosurgery, Hirosaki University School of Medicine, 5 Zaihuchou, Hirosaki, Aomori, Japan
    Childs Nerv Syst 29:921-6. 2013
    ..Treatment strategy of malignant congenital brain tumor is controversial. We report a congenital embryonal tumor case with various pathological components...
  10. doi request reprint A case of anaplastic clear-cell ependymoma presenting with high erythropoietin concentration and 1p/19q deletions
    Kenichiro Asano
    Department of Neurosurgery, Hirosaki University Graduate School of Medicine, Zaifu cho 5, Hirosaki, Aomori 036 8562, Japan
    Brain Tumor Pathol 28:317-27. 2011
    ..4 mIU/ml. Erythropoietin and erythropoietin receptors were verified with immunohistochemical staining...
  11. ncbi request reprint [Leiomyosarcoma of the uterus metastatic to the brain]
    Akira Munakata
    Department of Neurosurgery, Hirosaki University School of Medicine, 5 Zaifu cho, Hirosaki, Aomori 036 8562, Japan
    No Shinkei Geka 34:409-13. 2006
    ..Uterine leiomyosarcoma is an uncommon tumor and its metastasis to the brain is rare. Only 13 other cases have been published. The patient underwent gamma-knife therapy and obtains good quality of life...
  12. doi request reprint Epithelial growth factor receptor tyrosine kinase inhibitor prevents infiltration and cerebrospinal fluid dissemination in malignant glioma: an experimental study
    Kenichiro Asano
    Department of Neurosurgery, Hirosaki University Graduate School of Medicine, Aomori, Japan
    Neurosurgery 69:399-410; discussion 410-1. 2011
    ..Epithelial growth factor receptor regulates the expression of cadherin in cells via its action on β-catenin, and N-cadherin downregulation promotes infiltration and cerebrospinal fluid (CSF) dissemination of glioma cells...
  13. doi request reprint Risk factors for postoperative systemic complications in elderly patients with brain tumors. Clinical article
    Kenichiro Asano
    Department of Neurosurgery, Hirosaki University Graduate School of Medicine, Aomori, Japan
    J Neurosurg 111:258-64. 2009
    ..The authors investigated ways to avoid postoperative complications by identifying risk factors...
  14. doi request reprint A rare case of primary bone xanthoma of the clivus
    Kenichiro Asano
    Department of Neurosurgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan
    Brain Tumor Pathol 29:123-8. 2012
    ..This study introduces information regarding a bone xanthoma originating within the skull, together with a review of bone xanthoma literature...
  15. ncbi request reprint Pilocytic astrocytoma with histological malignant features without previous radiation therapy--case report
    Ichiyo Shibahara
    Department of Neurosurgery, Aomori Prefectural Central Hospital, Aomori, Japan
    Neurol Med Chir (Tokyo) 51:144-7. 2011
    ..This tumor had continued a benign clinical course for 20 years, but had eventually transformed to a malignant type. Therefore, pilocytic astrocytoma may undergo spontaneous malignant transformation during its natural clinical course...
  16. doi request reprint Association of stem cell marker CD133 expression with dissemination of glioblastomas
    Atsushi Sato
    Department of Neurosurgery, Yamagata University School of Medicine, 2 2 2 Iida nishi, Yamagata 990 9585, Japan
    Neurosurg Rev 33:175-83; discussion 183-4. 2010
    ..58). The results suggest that CD133 could be a molecular predictor of glioblastoma dissemination, and also give rise to an intriguing idea that CD133-positive cancer stem cells may be implicated in the initiation of disseminated lesions...
  17. ncbi request reprint Nimodipine ameliorates trauma-induced cochlear neuronal death
    Tetsuji Sekiya
    Department of Neurosurgery, Hirosaki University School of Medicine, 5 Zaifu cho, Hirosaki, 036 8216, Japan
    Neurol Res 24:775-80. 2002
    ....
  18. ncbi request reprint [Successful treatment of a huge meningeal hemangiopericytoma using Preoperative Autologous Transfusion and Hemodilutional Autologous Transfusion: case report]
    Kenichiro Asano
    Department of Neurosurgery, Hirosaki University, School of Medicine, Zaifu cho 5, Hirosaki, Aomori 036 8562, Japan
    No Shinkei Geka 30:631-7. 2002
    ..Hemangiopericytoma required postoperative radiation therapy to avoid local recurrence. After successful removal of the tumor surgically, postoperative radiation therapy was able to be carried out efficiently...