Motoyuki Umekawa

Hongo, 1138655, Japan

Last Updated: 09/26/2026

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Found 83 publications

Brain MRI Assessment of Anterior Inferior Cerebellar Artery Aneurysm Formation after Stereotactic Radiosurgery for Vestibular Schwannomas.

Brain MRI Assessment of Anterior Inferior Cerebellar Artery Aneurysm Formation after Stereotactic Radiosurgery for Vestibular Schwannomas.

Journal: Radiology
Published: September 01, 2026

Safety and Effectiveness of Embolization via the Ophthalmic Artery with N-butyl Cyanoacrylate for Anterior Skull Base Meningiomas.

Safety and Effectiveness of Embolization via the Ophthalmic Artery with N-butyl Cyanoacrylate for Anterior Skull Base Meningiomas.

Journal: Neurologia medico-chirurgica
Published: June 14, 2026

Systemic immune-inflammation and response indices is associated with early but not long-term survival after primary stereotactic radiosurgery for brain metastases.

Systemic immune-inflammation and response indices is associated with early but not long-term survival after primary stereotactic radiosurgery for brain metastases.

Journal: British journal of neurosurgery
Published: June 10, 2026

Persisting Embryonal Infundibular Recess With Morning Glory Syndrome and Prior Growth Hormone Replacement Therapy.

Persisting Embryonal Infundibular Recess With Morning Glory Syndrome and Prior Growth Hormone Replacement Therapy.

Journal: Pediatrics international : official journal of the Japan Pediatric Society
Published: May 14, 2026

Correction: Comparative molecular profiles of distinct tumor components in recurrent tentorial meningioma after stereotactic radiosurgery: a case report implicating acquired aggressive alterations associated with WHO grade progression.

Correction: Comparative molecular profiles of distinct tumor components in recurrent tentorial meningioma after stereotactic radiosurgery: a case report implicating acquired aggressive alterations associated with WHO grade progression.

Journal: Brain tumor pathology
Published: April 05, 2026

Retrospective Study of Foramen Magnum Development in Patients with Achondroplasia Starting Vosoritide Before Age Three.

Retrospective Study of Foramen Magnum Development in Patients with Achondroplasia Starting Vosoritide Before Age Three.

Journal: Genetics in medicine : official journal of the American College of Medical Genetics
Published: February 17, 2026

MRA-based aneurysm occlusion assessment in the early phase after flow diverter treatment: a multicenter retrospective study focusing on the impact of aneurysm diameter.

MRA-based aneurysm occlusion assessment in the early phase after flow diverter treatment: a multicenter retrospective study focusing on the impact of aneurysm diameter.

Journal: Neurosurgical review
Published: January 22, 2026

Safety and efficacy of stereotactic radiosurgery for selected borden type III dural arteriovenous fistulas.

Safety and efficacy of stereotactic radiosurgery for selected borden type III dural arteriovenous fistulas.

Journal: Neurosurgical review
Published: January 20, 2026

Correction: Molecular insights into prognostic model for meningiomas treated with stereotactic radiosurgery: negative impacts of 1q gain on tumor control and survival.

Correction: Molecular insights into prognostic model for meningiomas treated with stereotactic radiosurgery: negative impacts of 1q gain on tumor control and survival.

Journal: Acta neuropathologica communications
Published: December 16, 2025

Endoscopic transnasal approach to pterygopalatine fossa and infratemporal fossa: case series utilizing endoscopic modified medial maxillectomy (EMMM)/direct approach to the anterior and lateral part of the maxillary sinus (DALMA).

Endoscopic transnasal approach to pterygopalatine fossa and infratemporal fossa: case series utilizing endoscopic modified medial maxillectomy (EMMM)/direct approach to the anterior and lateral part of the maxillary sinus (DALMA).

Journal: Acta neurochirurgica
Published: December 03, 2025

DynaTOF: Time-Resolved Noncontrast Cerebral MR Angiography Using Spatially Modulated RF Saturation.

DynaTOF: Time-Resolved Noncontrast Cerebral MR Angiography Using Spatially Modulated RF Saturation.

Journal: Magnetic resonance in medicine
Published: November 27, 2025

Detailed evaluation of the long-term outcomes of repeat stereotactic radiosurgery for brain arteriovenous malformations: A single-center retrospective study.

Detailed evaluation of the long-term outcomes of repeat stereotactic radiosurgery for brain arteriovenous malformations: A single-center retrospective study.

Journal: Neurosurgical review
Published: November 22, 2025
Showing 1-12 of 83

Last Updated: 09/26/2026