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  1. No Access

    Article

    Syndrome of inappropriate secretion of antidiuretic hormone as an initial sign of primary central nervous system lymphomas in the hypothalamus

    Primary central nervous system lymphoma (PCNSL) rarely originates in the hypothalamus. Hypothalamic PCNSL can present with various symptoms specific to dysfunction of the hypothalamus, including consciousness ...

    Masahiro Oishi, Yasuhiko Hayashi, Yasuo Sasagawa, Nozomu Oikawa… in Acta Neurologica Belgica (2023)

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    Article

    Oculomotor nerve palsy in pituitary apoplexy associated with pituitary adenoma: a radiological analysis with fast imaging employing with steady-state acquisition

    Oculomotor nerve palsy (ONP) occasionally occurs in cases of pituitary apoplexy (PA) associated with pituitary adenoma, but its mechanism remains unclear. Intracranial nerves are clearly visualized by fast-ima...

    Yasuo Sasagawa, Hiroyuki Aburano, Kazumasa Ooiso, Masahiro Oishi… in Acta Neurochirurgica (2021)

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    Article

    The clinicopathological analysis of receptor tyrosine kinases in meningiomas: the expression of VEGFR-2 in meningioma was associated with a higher WHO grade and shorter progression-free survival

    WHO grade II/III meningiomas recur frequently and there is currently no established molecular target therapy for meningioma. No previous studies have revealed the association between receptor tyrosine kinases ...

    Satoko Nakada, Yasuo Sasagawa, Osamu Tachibana, Hideaki Iizuka… in Brain Tumor Pathology (2019)

  4. No Access

    Article

    Radiation-induced gliomas: a report of four cases and analysis of molecular biomarkers

    Radiation-induced glioma (RIG) is a rare secondary glioma. The tumors morphologically resemble their sporadically arising counterparts. Recently, the WHO classification of tumors of the central nervous system ...

    Tsunehito Nakao, Yasuo Sasagawa, Sumihito Nobusawa… in Brain Tumor Pathology (2017)

  5. No Access

    Article

    NAB2–STAT6 fusion gene analysis in two cases of meningeal solitary fibrous tumor/hemangiopericytoma with late distant metastases

    We present two cases of meningeal solitary fibrous tumor (SFT)/hemangiopericytoma (HPC) with immunohistochemistry of STAT6 and analysis of NAB2–STAT6 fusion genes. Case 1 was a 37-year-old male with a left mid...

    Satoko Nakada, Hiroshi Minato, Tsutomu Takegami, Nozomu Kurose… in Brain Tumor Pathology (2015)

  6. No Access

    Article

    Diagnostic value of interleukin-10 in cerebrospinal fluid for diffuse large B-cell lymphoma of the central nervous system

    A biomarker for early diagnosis of central nervous system (CNS) lymphoma would permit early treatment for attenuation of disease progression and neurological deterioration. High interleukin-10 (IL-10) or an IL...

    Yasuo Sasagawa, Takuya Akai, Osamu Tachibana, Hideaki Iizuka in Journal of Neuro-Oncology (2015)

  7. No Access

    Article

    Narrow band imaging-guided endoscopic biopsy for intraventricular and paraventricular brain tumors: clinical experience with 14 cases

    Narrow-band imaging (NBI) has been confirmed as a useful endoscopic technique to distinguish neoplasm from normal tissue, on the basis of the enhanced neovascularity of tumor tissue. NBI-guided tissue biopsy f...

    Yasuo Sasagawa, Takuya Akai, Satoko Nakada, Hiroshi Minato… in Acta Neurochirurgica (2014)